I'd still go for another bet then fold to raise. I'm basically thinking about what they can call with. They can definitely have worse overpairs. Even maybe 55.
It's even possible to see A5s from CO but depends on him.

I'd just make it 5 or so on turn to get value from worse PPs (I'm not sure they love to call much more than that and if we get raised then our bet isn't too large to worry about folding so it could be the sweet spot) and check river if called. If we get raised then fold as multiway vs your UTG raise and strength repping isn't going to bring out bluffs.

To be honest, maybe the best river cards for us is something like a Q or K as I can't see much involving them making it to the river and other PPs won't be improved to sets or straights, but even so we won't be getting calls from those that much so I think checking would be best still.

The only ever spot I feel is slightly bad, is if MP had QQ and called pre and called down. But I still think this line is fine vs that and we can fold river if facing a bet.