It sounds like wonderful Olga has stepped in to help your little girl out!
Don't give up on the grants. As I mentioned before, in most cases you need to get a diagnosis and a treatment plan first, then your vet can recommend you for it.
When Lady was diagnosed with diabetes many years ago and she had to be in the hospital for almost a week, my vet recommended her for a local grant. She happened to be on the board of director's for this particular fund and they had their monthly meeting at my vet's office while Lady was hospitalized so it worked out perfectly. Lady was a guest at their meeting, IV pole and all, and she got the grant.