top and bottom pair on a scary board

[lighterjobs]

the stats on mp1 are 50/0/.3 and the small blinds stats are 44/3/.9. i'm just looking for comments on this hand. i think the turn call was pretty bad but i was thinking mp1 might have flopped a straight. the sb had KK.

Party Poker 10/20 Hold'em (7 handed) FTR converter on zerodivide.cx

Preflop: Hero is BB with 4[img]/images/graemlins/diamond.gif[/img], 7[img]/images/graemlins/club.gif[/img].
<font color="#666666">1 fold</font>, MP1 calls, MP2 calls, <font color="#666666">1 fold</font>, Button calls, SB completes, Hero checks.

Flop: (5 SB) 7[img]/images/graemlins/spade.gif[/img], 6[img]/images/graemlins/club.gif[/img], 4[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(5 players)</font>
<font color="#CC3333">SB bets</font>, <font color="#CC3333">Hero raises</font>, <font color="#CC3333">MP1 3-bets</font>, MP2 folds, Button folds, SB calls, Hero calls.

Turn: (7 BB) 7[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">SB bets</font>, Hero calls, <font color="#CC3333">MP1 raises</font>, <font color="#CC3333">SB 3-bets</font>, <font color="#CC3333">Hero caps</font>, MP1 calls, SB calls.

River: (19 BB) T[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, MP1 folds, SB calls.