Need help!! Breastfeeding question

Marissa

My baby is 2 months old and weighs 11 lbs 12 oz (birth weight 7.4). She is EBF eats every 2 hours during the day & every 4 hours at night. She only nurses from one side for 20-30 minutes and is satisfied with that. I usually pump the other boob while she feeds so I can build a stash when I go back to work in 3 weeks. I told her pediatrician this and she said she’s happy with the weight gain but since I only pump 2-3 ounces from the other boob that she thinks baby is not getting enough & is nursing too long that I should let her finish and give her the other boob. I have tried this and she doesn’t want it because she’s full 😭 is anyone else having this problem? I thought things were going great :/ she has plenty of wet and dirty diapers. What are your pumping schedule like?