Does your cat usually have food there all day long, or is she on a scheduled feeding?
If your cat is used to having food all day long, then for a 3-day trip, I wouldn't bother taking her to any boarder. It's a lot of stress for the cat for such a short time. Perhaps you can just leave extra food and water for the 3 days and she can stay home.
We do it with our 3 cats if we're just away for 2 nights over the weekend.