Party Poker No-Limit Hold'em, $ BB (10 handed) FTR converter on zerodivide.cx

UTG ($90.25)
UTG+1 ($46.20)
UTG+2 ($75.20)
MP1 ($119.90)
MP2 ($100.35)
Hero ($105.35)
CO ($372.65)
Button ($180.60)
SB ($123.25)
BB ($99)

Preflop: Hero is MP3 with J, 9. SB posts a blind of $0.50.
3 folds, MP1 calls $1, 1 fold, Hero calls $1, 1 fold, Button calls $1, SB (poster) completes, BB checks.

Flop: ($5) A, J, 9 (5 players)
SB bets $4, BB folds, MP1 raises to $15, Hero ???


Think it's even good here? How much to lose in this pot, and how do you play it?