Action on Turned Two Pair From BB

[josh1122]

SB is 32.7 VPIP / 8.4 PFR / .94 AGG over 100 hands.
No other reads.

Party Poker 3/6 Hold'em (9 handed) converter

Preflop: Hero is BB with 6[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/club.gif[/img].
<font color="#666666">1 fold</font>, UTG+1 calls, MP1 calls, MP2 calls, <font color="#666666">3 folds</font>, SB completes, Hero checks.

Flop: (5 SB) 5[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/club.gif[/img], 6[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(5 players)</font>
SB checks, Hero checks, UTG+1 checks, MP1 checks, MP2 checks.

Turn: (2.50 BB) 8[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(5 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, UTG+1 calls, MP1 folds, <font color="#CC3333">MP2 raises</font>, <font color="#CC3333">SB 3-bets</font>, Hero ???

Fold? Go for a checkraise instead?

[moodifier]

From a non-expert opinion I'd like to try for a check-raise on the turn and face the field with calling bets cold.