JJ vs 2+2er

[2+2 wannabe]

PokerRoom 2/4 full

Hero is MP1 with J[img]/images/graemlins/spade.gif[/img]J[img]/images/graemlins/diamond.gif[/img]

Villain (BB) is tough 2+2er (19/14/2.5) and is aggressive HU/will semi-bluff and bluff heads-up - and coldcalls hands like AT and 66 preflop

everyone folds, Hero raises, everyone folds to Villain in BB who calls

Flop K[img]/images/graemlins/diamond.gif[/img]6[img]/images/graemlins/spade.gif[/img]4[img]/images/graemlins/spade.gif[/img]

Villain checks, Hero bets, Villain calls

Turn 4[img]/images/graemlins/heart.gif[/img]

Villain checks, Hero <font color="red">checks</font>, intending to call any river bet

Thoughts?