No reads on villian. Do you make this call?

PokerStars Game #2384043063: Hold'em No Limit ($0.25/$0.50) - 2005/08/20 - 19:04:46 (ET)
Table 'Franzia' Seat #3 is the button
Seat 1: OPman21 ($54.35 in chips)
Seat 2: Tman187 ($92.35 in chips)
Seat 3: mateo$55 ($48.75 in chips)
Seat 4: trappin2 ($50.70 in chips)
Seat 5: BillyBets ($10 in chips)
Seat 6: avenger03 ($37.60 in chips)
Seat 7: lucifil ($37.55 in chips)
Seat 8: bdawg56kg ($42.50 in chips)
Seat 9: HurricaneRob ($42.60 in chips)
trappin2: posts small blind $0.25
BillyBets: posts big blind $0.50
*** HOLE CARDS ***
Dealt to bdawg56kg [Ah As]
avenger03: raises $1 to $1.50
lucifil: folds
bdawg56kg: raises $4.50 to $6
HurricaneRob: folds
OPman21: folds
Tman187: folds
mateo$55: folds
trappin2: folds
BillyBets: folds
avenger03: calls $4.50
*** FLOP *** [Jd Qs 9d]
BillyBets leaves the table
avenger03: checks
doc3232 joins the table at seat #5
bdawg56kg: bets $7.50
avenger03: raises $24.10 to $31.60 and is all-in
bdawg56kg: ???

Results to be posted later.