Grandma gave baby icecream 😥😓

My mom fed my baby girl 3 small bites of chocolate ice cream and now I am freaking out. She is only 3 months old and I've read babies under 1 year cannot tolerate cow's milk. I'm so worried she's going to get really sick or have tummy issues. It was really small bites and most of it was spit back out but I'm pretty sure she swallowed some. 🙁

I know my mom didnt mean any harm by it and I'm not mad at her and now she feels bad about it but I am super worried for babe. Should I call her pedi in the morning? Anyone out there know what I should do/expect?

Please don't be too harsh. 😔