$38 6-max HU

[NNH]

Villain in this hand is pretty solid thinking player. We've been going at it HU for a while. Both definitely making moves on each other.

PokerStars No-Limit Hold'em Tourney, Big Blind is t200 (2 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Hero (t4760)
Button (t4240)

Preflop: Hero is BB with 4[img]/images/graemlins/spade.gif[/img], 5[img]/images/graemlins/club.gif[/img].
Button calls t100, Hero checks.

Flop: (t325) 5[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Button bets t400</font>, <font color="#CC3333">Hero raises to t1200</font>, Button calls t800.

Turn: (t2725) A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Button bets t1000</font>, Hero calls t1000.

River: (t4725) K[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero ?

How'd I play the hand and what to do now that I've gotten to river.