Evening out my boobs - help!

Hi all! My LO is ebf and 5 weeks. He’s a great eater and we’re in the midst of a growth spurt so he’s eating all the time. My left breast got a bad case of mastitis around week 3 and since I noticed it doesn’t seem to produce as much as my right.

I’ve been pumping when he takes long naps or I get swollen to keep from getting blocked again and can see my left only produces about 1.5 oz, where my right is producing 3-4.

How can i even them out? I’ve been block feeding to totally empty out each breast, so I’ve tried having him eat from lefty a little every feed but doesn’t seem to be increasing the amount.

Help!