Check or bet the turn? (big draw in the Party 3/6 6m)

[uw_madtown]

Only been there for an orbit or two, and my comp is sucky lately so I'm 4-tabling sans PT/GT+. So my apologies, but this is sans reads. I haven't seen either player get notably out of line though.

I'm dipping my toes into the 3/6 6m and it feels fairly comfy so far, in that my opponents are making bigger mistakes than I am. I ran this hand past people in the #sstakes channel and they seemed to think the turn was worth debate.

Party Poker $3/$6 (6 max, 5 handed)

Preflop: Hero is MP with J[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/diamond.gif[/img].
UTG limps, Hero raises, Button folds, SB 3-bets, BB folds, UTG and Hero call.

Flop: T[img]/images/graemlins/diamond.gif[/img], 6[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
SB bets, UTG calls, Hero raises, SB 3-bets, UTG calls two, Hero caps, both call.

Turn: J[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, UTG checks, Hero ???