Second nuts against lags.

[KneeCo]

Second hour of small buy-in MTT.
MP2 is a complete fish, CO seems to be able to play and is in the top 10 in chips.

PokerStars (9 handed) FTR converter on zerodivide.cx

Preflop: Hero is BB with 9[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/spade.gif[/img], 6[img]/images/graemlins/spade.gif[/img], 5[img]/images/graemlins/spade.gif[/img]. SB posts a blind of 75.
<font color="#666666">2 folds</font>, MP1 calls, MP2 calls, <font color="#666666">1 fold</font>, CO calls, Button calls, SB (poster) completes, Hero checks.

Flop: J[img]/images/graemlins/diamond.gif[/img], 3[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(6 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, MP1 calls, MP2 calls, <font color="#CC3333">CO raises</font>, Button folds, SB folds, Hero calls, MP1 calls, MP2 calls.

Turn: 6[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">Hero bets</font>, MP1 calls, MP2 calls, <font color="#CC3333">CO raises</font>, <font color="#CC3333">Hero raises</font>, MP1 calls, MP2 calls, <font color="#CC3333">CO raises</font>, Hero calls, MP1 calls, MP2 calls.

River: T[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">Hero bets</font>, MP1 folds, MP2 calls, <font color="#CC3333">CO raises</font>, Hero ???

Should I just call in case I'm against JT or would I be losing value if I did that?