Silent/acid reflux while breastfeeding

Abby • 27, wife- little girl born August 21, 2018. Little boy born November 7th, 2021

Has anybody had a baby with bad silent/acid reflux while breastfeeding? Just about everything I find online about getting my girl to eat is for bottle fed babies only and we are struggling.

I'm changing my diet to cut out dairy completely and she was given a liquid medicine but we just started it so it's not working yet I guess. I would love to know of some good upright breastfeeding positions since everything i try doesn't work. 😬

She cries every time I try to feed her and isn't sleeping enough either. I feel so bad for her 😭

Heres my angel