Medical Fund for my dog

My 3 year old dog, Cassie, is a German Shepherd. She has kidney failure and only 25% of her kidneys actually work and she doesnt have much longer to live. I am SO sad about this and I am raising money for her vet fees and all the tests she needs. Theres not much we can do, but I still would like to get more tests done to be sure. And some of the money can go to buying things to make her happy. anything helps! thank you SO MUCH!