River 2nd pair Stars Nightly Hundo

[kleath]

Im a multitabling robot so havent noticed villain, hes playing like 23/5 over 40 hands

PokerStars No-Limit Hold'em Tourney, Big Blind is t200 (9 handed) internettexasholdem.com

Button (t7445)
SB (t5445)
BB (t5850)
UTG (t1785)
Hero (t7780)
MP1 (t3955)
MP2 (t4375)
MP3 (t1420)
CO (t11100)

Preflop: Hero is UTG+1 with K[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/heart.gif[/img].
<font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to t500</font>, <font color="#666666">6 folds</font>, BB calls t300.

Flop: (t1100) T[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/heart.gif[/img], 2[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, <font color="#CC3333">Hero bets t600</font>, BB calls t600.

Turn: (t2300) J[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, Hero checks.

River: (t2300) 5[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">BB bets t1400</font>, Hero ??