[Josh W]

Party 30-60 just now. CO open raises, no knowledge of him. I threebet AQo in the SB, BB mucks, and its heads up.

Flop comes 246, two diamonds. I have the Ad. I bet, he calls.

Turn 3...board 246, 3. check, check. River pairs the 3.

Check/call?
check/raise?
Check/fold?
Bet?

Thanks,

Josh