[ QUOTE ]
Preflop: Hero is Button with A[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/club.gif[/img]. SB posts a blind of $0.50.
<font color="#666666">1 fold</font>, <font color="#CC3333">UTG+1 raises to $3</font>, <font color="#666666">3 folds</font>, MP3 calls $3, <font color="#666666">1 fold</font>, Hero calls $3, <font color="#666666">2 folds</font>.

Flop: ($10.50) 2[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/club.gif[/img], 6[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">UTG+1 bets $7</font>, MP3 folds, Hero ?

[/ QUOTE ]

You don't have enough information yet to determine how many outs you have. Find it out, raise him here an amount consistent with what you've been doing. Making the bet $20 to go should get that question answered quite nicely.