I Am Breast Feeding And One Breast Has A Lot

I am breast feeding and one breast has a lot of milk. And the other one I a lot less engorged, no signs of mastitis, I drink a lot of water and breast feed everyone 3-4 hours my baby is 8 days old. I pump right after a feeding and I get 1/2 ounce in flatter breast. And 1 ounce from fuller breast. Please advise