NL10 - QJs big draw on flop

[THoM.]

$0.05/$0.1 No Limit Holdem
5 players
Converted at weaktight.com

Stacks:
UTG (<font color="#0000cc">$9.70</font>)
CO (<font color="#0000cc">$7.68</font>)
BTN (<font color="#0000cc">$12.18</font>)
SB (<font color="#0000cc">$10.17</font>)
BB (<font color="#0000cc">$9.63</font>)

BTN has Q[img]/images/graemlins/spade.gif[/img] J[img]/images/graemlins/spade.gif[/img]

Pre-flop: ($0.15, 5 players)
<font color="#cc0000">UTG raises to $0.3</font>, <font color="#777777">1 fold</font>, BTN calls $0.3, <font color="#cc0000">SB raises to $0.85</font>, <font color="#777777">1 fold</font>, UTG calls $0.55, BTN calls $0.55

Flop: 2[img]/images/graemlins/spade.gif[/img] T[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/diamond.gif[/img] ($2.65, 3 players)
SB checks, <font color="#cc0000">UTG bets $0.5</font>, BTN ??

What does BTN do? Do you call/raise and why?
If you raise, do you call a push?
(No reads/stats yet)