And internally, you can try to work on wanting to want to do chesed without acknowledgment. One of my favorite quotes is: Expect the worst, but hope for the best. Expect no recognition, while you hope they do. That way you won’t be as disappointed or let down when you get no feedback.
It is very frustrating though, i know. But if you feel angry after, then it’s not true chesed. It’s not worth doing for yourself if you feel taken advantage of. Hatzlocha!