breastfeeding help special care baby

Elisa • Back using my favourite pregnancy app, baby number 6 on its way 🤰🏼💁🏽‍♂️🤴🏻👸🏼🤴🏻👸🏼
My daughter was transferred to special baby care when she was born because of a septic infection they tube fed her glucose and I struggled to hand express my milk we are home now and she's been bottle fed formula this morning I had pain in both my boobs so I got pumping and got 4oz of milk what should I do should I breastfeed and top up with formula I wanted to breastfeed so bad she's my 4 and my last. She will be 1 week tomorrow Saturday help please I'm so happy I have this milk in the hospital I didn't have any could it of been because of the stress x