PS $27 a,k early facing reraise

[Olback]

I have been having trouble deciding what to do in situations like this recently. Do you push all in and take a coin flip or call OOP and then fold if you miss?

I had been repushing these but i figure maybe calling or folding is better.

PokerStars Game #4066135011: Tournament #20206819, Hold'em No Limit - Level III (25/50) - 2006/02/22 - 22:18:53 (ET)
Table '20206819 1' Seat #4 is the button
Seat 1: jano.fr (1540 in chips)
Seat 2: darling12 (770 in chips)
Seat 3: ldubw2110 (1935 in chips)
Seat 4: Money_1985 (1470 in chips)
Seat 5: Cholo83 (2970 in chips)
Seat 6: vuiton88 (1200 in chips)
Seat 7: junglejunkie (1450 in chips)
Seat 8: Flicka J (265 in chips)
Seat 9: Olback (1900 in chips)
Cholo83: posts small blind 25
vuiton88: posts big blind 50
*** HOLE CARDS ***
Dealt to Olback [Kc As]
junglejunkie: calls 50
Flicka J: folds
Olback: raises 150 to 200
jano.fr: folds
darling12: folds
ldubw2110: folds
Money_1985: folds
Cholo83: folds
vuiton88: raises 250 to 450
junglejunkie: folds
Olback: ????