ACL Tears and ruptures are expensive and can cost up to 12,000 to fix. Vets will never tell you to rest your dog and put them on supplements like Collagen, MSM, Chondroitin Sulfate, Glucosamine HCL

I have seen dogs repair themselves naturally on these supplements and can see the limping stop within days

I am not saying this will cure every dog it would depend on how severe it is, but at least try to see if it will helps, anything that will help the body heal itself naturally is your best option.