$2/$5 NL 76s in cutoff

I literally just sat down with $1k and I have 7♥6♥ in the CO. everyone folds to UTG +4 and he opens for $20. He's white late 20's to mid 30's and has me covered. I've never seen him/played with him before. I call and SB/BB call.

($80) 6♦6♠A♠: everyone checks to me and I make it $75. Everyone folds except UTG+4

($230) Q♣ UTG+4 checks. I make it $220 and he calls.

($670) 8♠ UTG+4 checks

Hero?