20k open ended on the flop line check

[bigeasy59]

Villian is 42/5 luckbox what is the best line

PokerStars No-Limit Hold'em Tourney, Big Blind is t300 (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

MP2 (t11177)
MP3 (t7305)
CO (t9390)
Button (t2775)
SB (t12468)
BB (t3350)
UTG (t5964)
UTG+1 (t6580)
Hero (t6710)

Preflop: Hero is MP1 with J[img]/images/graemlins/spade.gif[/img], Q[img]/images/graemlins/heart.gif[/img].
<font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises to t750</font>, <font color="#666666">2 folds</font>, CO calls t750, <font color="#666666">3 folds</font>.

Flop: (t1700) 8[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/club.gif[/img], T[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets t1200</font>, CO calls t1200.

Turn: (t4100) 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets t1500</font>, CO calls t1500.

River: (t7100) 2[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">CO bets t5915 (All-In)</font>, Hero folds.

Final Pot: t1185