A fund raiser would be an excellent idea. You see little cans in groceries stores all the time for people. Is your community close enough to host a dance, bake sales or raffles for her? How about a horse club? People are really generous to those kind of things. Just a thought.
She's a wonderful person and I think the community would help her but she's very private. I don't think that many people even know that she has to deal with dialysis. She's had a fairly difficult life and lets very few people in. She hasn't even told the folks she works with that she is in line for a transplant finally.