Alysia, in your original post you asked for information about LP and rather than just tell you, perhaps it is best for you to read. As you read the link below, which is from the American College of Veterinary Surgeons, please note that surgery is considered in anything over a grade two, but not automatic unless there is a problem........the following paragraph explains it.
What Options are Available for Treating Patellar Luxation?
Patellar luxations that do not cause any clinical sign should be monitored but do not typically warrant surgical correction, especially in small dogs. Surgery is considered in grades 2 and over (see above). ACVS - Patellar Luxations
Hopefully your baby will improve and not have a problem where he needs surgical intervention. I can tell you that I have owned and fostered many pups with LP and to date I have not had one severe enough to do surgery on. I do not cut corners on vetting expenses, so it was not a cost saving measure....my vet and the specialist I use do not suggest surgery unless there are clinical signs that persist. I do suggest as I said before to keep him from jumping. You mentioned that he jumps on furniture..that is a problem for these pups. Best to get stairs or ramps for them. I have never heard of a femur twisting because a pup did not have LP surgery. The only complication I know of is that they can be at increased risk of tearing the cruciate ligament. You really need to read up on this condition and do your best to try and keep your pup from aggravating it.
As for funding, I have not seen anyone get funding for surgery, but I do have a list of organizations that I would be happy to send to you if you PM your email address to me . I would suggest that you look into Care Credit. It is good to have in an emergency.