$16 - 33 vs LAGG

[mattiesmat]

I find myself in a lot of tough spots last days and especially today and I keep losing those ones.
Should I not cbet because he is so LAGG(45/19)?
Value bet the river, first time?
Call his bet as played?
Anyway, how is this?

PokerStars No-Limit Hold'em Tourney, Big Blind is t200 (4 handed) by Hand Converter CG

BB (t3970)
UTG (t1420)
Button (t3170)
Hero (t4940)

Preflop: Hero is SB with 3[img]/images/graemlins/club.gif[/img], 3[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises to t550</font>, BB calls t350.

Flop: (t975) Q[img]/images/graemlins/diamond.gif[/img], 7[img]/images/graemlins/spade.gif[/img], 4[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets t700</font>, BB calls t700.

Turn: (t2375) 6[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, BB checks.

River: (t2375) 5[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">BB bets t1000</font>, Hero calls t1000.

Final Pot: t4375