Help This Friendly Dog Walk Again

I hurt my left leg, ripped a ligament, and now I need surgery. I can't walk due to thisand now i got a pinch never in my backno all i can do is lay on ground.please help me. Thank you. I need a big surgery called TPLO in my left legs well I git surgery on thrusday at dix animal clinic at 8 am I still need help with funds

I am adopted from the pound, I am 6 years old and very friendly. I am a very good dog and very smart.very love by my family this making them sad. We got 2200 with pet care We need 500 left to go