OP, your feelings are perfectly normal but they are ones that you'll have to try and somehow curb for the time being.
Could it be that your daughter's husband has more of a say at home than she does and she's being dominated into her in-laws being the grandparents who are more involved than you're allowed to be?
Just to add I have 7 grandchildren and the latest is only 2 weeks old so I do have a bit of an idea as to how hurtful things can be when very normal feelings are involved.
Why Are Blokes Obsessed With Noisy Gadgets??