Given your young age, rising PSA, Gleason 3+4, and low free PSA, I agree that treatment is a good idea. It seems clear that you have cancer, it is growing, it isn't going to get better by itself, and you're too young to expect to die of something else first. So, from my pure layman, inexpert point of view, the odds of successful treatment go slowly down as the cancer advances and it's better to treat it now.
Radiation is a common option. I used it myself. Is has different side effects, including a quicker recovery period and has advantages for men whose cancer has penetrated outside the prostate. It is relatively painless and, in my humble opinion (not shared by all) it has equal outcomes when performed by an equally good practitioner. However it is often argued that a younger man with locally contained disease should have it all cut out. You could consult a radiation oncologist but, alternatively, you could just consult another surgeon for your second opinion - if you decide to get one.
I can think of a couple of ways to find a fine surgeon. One way is to ask for recommendations, which you are doing here. There are some famous prostate surgeons. Ash Tewari at the Icahn School of Medicine at Mount Sinai in New York is a pioneer of laparoscopic surgery. Patrick Walsh at Johns Hopkins in Baltimore is (I think) the inventor of nerve sparing surgery. I don't know how easy it is to get appointments with either one of them, and since both are professors as well as surgeons you'll want to know whether they do the work themselves or plan to supervise residents or interns.
Other people here may also have recommendations. If you want to find good people near you, tell us where you live and maybe someone will be able to help.
Another approach to finding a good surgeon is to find one of the top teaching/research institutions. They attract good people and they participate in medical research, requiring their people to keep up and not just do what someone taught them many years ago. The National Cancer Institute has designated 70 centers around the U.S. that they believe are the best places for cancer research and treatment. See:
Again, I think you'll want to ask about whether the doctor you talk to, who may also be a professor, will be doing all the work himself or be working with students.
I don't know if you'll be able to evaluate the capability of a surgeon by yourself. I don't believe that I could. However I can evaluate the person as a human being. Is he (or she) answering my questions carefully? Does he take time to hear my concerns? Does he speak frankly about side effects and failures or does he pretend that his patients always do well? Does he speak thoughtfully or does he produce pat, flip answers? Does he pressure you to use his services or does he suggest other possible alternatives?
Local guys may be very fine surgeons. Just because they aren't famous and don't work for a prestigious institution doesn't mean they aren't good. However If you go with a local guy, be sure that he specializes in prostate cancer surgery. The first guy I was referred to by my HMO proposed to remove my prostate. But when I looked him up on the Internet I found that his specialty was treating female incontinence. I'm not sure how many prostatectomies he did each year but, ideally, you want a guy who is doing at least one a week. Specialists like Tewari and Walsh have done thousands of them.
When I had my surgery, my urologist said I could have it done locally (western Kentucky). I told him I wanted to go somewhere where they did prostate surgery all day, every day. He sent me to Vanderbilt in Nashville, and I have never regretted my decision and his recommendation.
I am not sure where you are located, however if you are in the Pacific Northwest I can say I've recently had excellent care at University of WA Medical Center. The urologist (surgeon) I see is closely associated with professionals at Seattle Cancer Care Alliance and Fred Hutch, both well known cancer research centers in the Seattle area.
In Feb. I was diagnosed T2d. Imaging results came back clear yet biopsy results reported a plentiful amount of Gleason 9. I received a diagnosis of localized advanced cancer. Given my case, my urologist discussed best next step treatment options. He discussed both pros and cons behind ERBT and RP, and rated them ~equal with respect to successful outcome.
I chose RP. My main reasoning behind this was two-fold. My age is at a youthful 63. The other determining factor was follow-up treatment (if it came to that). I was told that if RP fails, there is radiation available. The opposite not true. Once you have radiation, RP is (typically) not recommended.
Once I chose RP, the urologist mentioned a clinical trial that I may be interested to join. It sparked interest, and he gave me a referral to the oncologist behind it. Looking back now, I'm glad I joined it and believe it has given me best outcome! If you are interested in the details, you can find/read my entries on this site. Which ever direction you choose to go, I wish you the best. As others have mentioned on this site, its' best to get a team you trust and feel good with. Best of health to you!!
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Advice to a new member?
Update after RALP ---- Need advice
I am new to the board but have been reading for a while. 
New here - considering treatment options
What is the best threadmnt for Gls7 on T1?
