Turn c/r or Donk?

[MAxx]

PF 3better seems to be a 30/20 laggish. PF Capper was 20/10/2

Given the PF action, the fact that my hand is well disguised, my relative position, my opponents... what is the best play on the turn? Please give your reasoning for your action.

PokerStars 5/10 Hold'em (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Preflop: Hero is UTG with 9[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/diamond.gif[/img].
<font color="#CC3333">Hero raises</font>, <font color="#CC3333">MP 3-bets</font>, <font color="#666666">1 fold</font>, <font color="#CC3333">Button caps</font>, <font color="#666666">2 folds</font>, Hero calls, MP calls.

Flop: (13.40 SB) 7[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
Hero checks, MP checks, <font color="#CC3333">Button bets</font>, Hero calls, MP calls.

Turn: (8.20 BB) J[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>