.50/1 do you fire twice to a calling station?

[pgjcbsn]

Party Poker
Pot Limit Holdem Ring game
Blinds: $0.25/$0.50
6 players
Converter

Stack sizes:
UTG: $21.58
UTG+1: $19
CO: $25.25
Button: $19.37
SB: $16
hero: $24.50

Pre-flop: (6 players) hero is BB with J[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/spade.gif[/img]
UTG calls $0.5 <font color="#aaaaaa">(pot was $0.75)</font>, UTG+1 calls $0.5 <font color="#aaaaaa">(pot was $1.25)</font>, 2 folds, SB calls $0.25 <font color="#aaaaaa">(pot was $1.75)</font>, <font color="#cc0000">hero raises to $1</font>, UTG calls $0.5 <font color="#aaaaaa">(pot was $2)</font>, UTG+1 calls $0.5 <font color="#aaaaaa">(pot was $2.5)</font>, SB calls $0.5 <font color="#aaaaaa">(pot was $3)</font>.

Flop: 3[img]/images/graemlins/diamond.gif[/img] 9[img]/images/graemlins/heart.gif[/img] 2[img]/images/graemlins/heart.gif[/img] ($4, 4 players)
SB checks, <font color="#cc0000">hero bets $0.5</font>, UTG folds, UTG+1 calls $0.5 <font color="#aaaaaa">(pot was $4.5)</font>, SB folds.

Turn: 5[img]/images/graemlins/heart.gif[/img] ($5, 2 players)
hero ?