How bad is this call? (draws on the flop)

[ectomorfo]

I mean the flop call.

Full Tilt No-Limit Hold'em, $0.50 BB (5 handed) Full Tilt Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

saw flop|<font color="#C00000">saw showdown</font>

Button ($56.55)
<font color="#C00000">SB ($22.35)</font>
<font color="#C00000">BB ($71.05)</font>
UTG ($53.90)
<font color="#C00000">Hero ($52.05)</font>

Preflop: Hero is MP with T[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/heart.gif[/img].
<font color="#CC3333">UTG raises to $1</font>, Hero calls $1, <font color="#666666">1 fold</font>, SB calls $0.75, BB calls $0.50.

Flop: ($4) T[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/heart.gif[/img], Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, <font color="#CC3333">BB bets $2.5</font>, UTG folds, Hero calls $2.50, <font color="#CC3333">SB raises to $21.35 (All-In)</font>, <font color="#CC3333">BB raises to $72.55 (All-In)</font>, Hero calls $48.55 (All-In).