Thanks for the replies!
I think I will try the treatment on this website first. If that doesn't appear to be working then we might try those supplements Amy suggests. I'll try anything and rule it out before surgery.

I know her knee is not completely blown since she does use it sometimes. But my mom is limiting her activity down to just walking and not even a lot of that. She can't come home until we know its healed. That could even take a year....it just depends on the dog. Poor Taggart is missing her so much. All he does is mope around. We also miss her a lot!