![The Four of Hearts [4h]](https://pofex.com/images/smilies/4h.gif)
UTG limps, CO follows, Button folds and SB completes. I check, so we are 4 to the flop.
Flop:
![The King of Hearts [Kh]](https://pofex.com/images/smilies/Kh.gif)
SB checks, I bet $4 (half pot), everyone calls.
Turn is the
![The Ace of Clubs [Ac]](https://pofex.com/images/smilies/Ac.gif)
SB checks, I check and now UTG bets $25 into the $24 pot. CO folds but SB cold calls.
Hero does what?