K4s from the BB, comments...

[Wahoo91]

Party Poker 0.50/1 Hold'em (8 handed) converter

Preflop: Hero is BB with 4[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/spade.gif[/img]. UTG posts a blind of $0.50. CO posts a blind of $0.50.
UTG (poster) checks, <font color="666666">2 folds</font>, MP2 calls, CO (poster) checks, <font color="666666">1 fold</font>, SB completes, Hero checks,

Flop: (5 SB) 8[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/club.gif[/img] <font color="blue">(5 players)</font>
<font color="CC3333">SB bets</font>, Hero calls, UTG folds, MP2 folds, CO folds.

Turn: (3.50 BB) 3[img]/images/graemlins/spade.gif[/img] <font color="blue">(2 players)</font>
<font color="CC3333">SB bets</font>, <font color="CC3333">Hero raises</font>, <font color="CC3333">SB 3-bets</font>, Hero calls.

River: (9.50 BB) 2[img]/images/graemlins/spade.gif[/img] <font color="blue">(2 players)</font>
SB checks, <font color="CC3333">Hero bets</font>, <font color="CC3333">SB raises</font>, Hero calls.

Final Pot: 13.50 BB
<font color="green">Main Pot: 13.50 BB, between SB and Hero.</font>

[JohnShaft]

Comments?
You have the second nuts on the Turn and are only beaten by Ax [img]/images/graemlins/spade.gif[/img].
It is VERY unlikely he has that hand, and there are a lot of worse hands that will 3-bet you here. All the worse flushes, not to mention flopped straights, sets etc.

Cap the Turn exactly 100% of the time (in this situation).