I would recommend consulting this person as she is suppose to be excellent- Jessica Waldman
California Animal Rehabilitation - About Us
she may be able to give you some insight as she sees both sides I am sure. I have had a friend whose dog had LP surgery go to rehab there
some disc dogs on her site
Welcome to CalAnimalRehab.com - Serving Pets in the Los Angeles Area
shiva the maltese is my friends dog who went there and she raves about Jessica waldman
Welcome to CalAnimalRehab.com - Serving Pets in the Los Angeles Area
I am sure you can get a phone consult with her to get her take on both options