are you happy with baby only feeding from one side? Do they have trouble latching on the other side? The ideal situation would be to have baby feeding off both, so if there is an issue then maybe a chat with a lactation consultant would help?
For the engorgement try to hand express off just enough to be comfortable (so not enough to signal to make loads more milk). You can use ice packs to try and relieve the pain and engorgement (and swap to heat before expressing), and the say cabbage leaves in your bra works wonders but I dunno about that one! You will need to keep a close eye that the engorgement doesn’t result in blocked ducts, and mastitis x