Can I iso from UTG in this situation? Easy race on the flop, correct? I'm about 50/50.

PokerStars Game #13929748519: Hold'em No Limit ($0.25/$0.50) - 2007/12/17 - 19:59:51 (ET)
Table 'Badenia IV' 6-max Seat #3 is the button
Seat 1: Dana0305 ($18.30 in chips)
Seat 2: Dano1999 ($18 in chips)
Seat 3: OgerFlo ($119.65 in chips)
Seat 4: markooo888 ($58.65 in chips)
Seat 5: prepkit ($13.05 in chips)
Seat 6: Sprayed ($86 in chips)
markooo888: posts small blind $0.25
prepkit: posts big blind $0.50
Dano1999: posts big blind $0.50
*** HOLE CARDS ***
Dealt to Sprayed [8c 9c]
Sprayed: raises $2 to $2.50
Dana0305: folds
Dano1999: calls $2
OgerFlo: folds
markooo888: folds
prepkit: folds
*** FLOP *** [Jc 9s 4c]
Sprayed: bets $4
Dano1999: raises $4 to $8
Sprayed: raises $75.50 to $83.50 and is all-in
Dano1999: calls $7.50 and is all-in