67s on the Button; OESD on flop?

[Starrkitty]

Party Poker 1/2 Hold'em (5 handed) internettexasholdem.com

Preflop: Hero is Button with 7[img]/images/graemlins/club.gif[/img], 6[img]/images/graemlins/club.gif[/img].
UTG calls, MP calls, Hero calls, <font color="#666666">1 fold</font>, BB checks.

Flop: (4.50 SB) 8[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/heart.gif[/img], 2[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">BB bets</font>, UTG calls, MP calls, <font color="#CC3333">Hero ?</font>


Raise for value and maybe a free card or just call?

An annoying table coach and I had a disagreement.