"If I were in your shoes, I'd say something like: "My daughter has finally agreed to come to our next meeting. I hoped you would be open to talking to her as she is deeply grieving and in need of counsel. If you feel you can't be helpful, please refer me to another social worker."
That is...
I am seeing a social worker once a week. Two weeks ago, my ex-wife who is my adult daughter's mother passed away. My social worker was well of aware of this. After years of refusing to speak to a social worker, my daughter finally agreed to come to my next meeting with the social worker to...