Hi Sandy,
Like you, I was diagnosed with Gleason 9 at 54, I am still here, going strong at 62.
Hormone therapy is a good starting point, it's not fun, but it tends to stop your tumour growing and give you time to research the various options and time to consider the pro's and cons of more radical treatments. So if your Consultant suggests HT you might be well advised to go along with it.
The other thing to bear in mind is science is progressing faster than ever, many new treatment options are becoming available, and a lot of the orthodoxies we take for granted are changing.
I was 'lucky' in that my cancer was contained within the capsule, which meant I could have radiotherapy. At the time I was told you can only have radiotherapy below the diaphram once, and if you have it for prostate cancer, you cannot then have it again if you later develop bowel cancer, kidney cancer etc. That was held to be true at the time and no one on this site would have disagreed.
But radiotherapy didn't work for me, in the sense that five years later my PSA was rising again, but guess what I have just had radiotherapy again, (salvage HDR Brachytherapy to be precise). A form of treatment unavailable 5 years ago. Whether it will be any more successful than the first blast remains to be seen, but the important thing is that the treatment is keeping me alive, 8 years on and I am still enjoying life and planing next years holiday.
So the important thing is to do your homework, learn as much as you can about treatment options, and don't worry too much about the long term, because there will be new treatment options coming along, so pick what you think is best and get on with life, adopt the philosophy that 'I've got cancer, but cancer hasn't got me!'.
:)
Dave