no reads on jackpot really. is this a call or fold?

POKERSTARS GAME #12307429170: HOLD'EM NO LIMIT ($0.05/$0.10) - 2007/09/27 - 20:15:50 (ET)
Table 'Volans V' 6-max Seat #1 is the button
Seat 1: dudidudi ($9.70 in chips)
Seat 2: lest0w ($8.05 in chips)
Seat 3: will641 ($15.35 in chips)
Seat 4: jackpot_22 ($16.85 in chips)
Seat 6: CURTM ($8.95 in chips)
lest0w: posts small blind $0.05
will641: posts big blind $0.10
CireNehc: sits out
*** HOLE CARDS ***
Dealt to will641 [Kh As]
jackpot_22: calls $0.10
CURTM: folds
dudidudi: folds
lest0w: folds
will641: raises $0.40 to $0.50
jackpot_22: calls $0.40
*** FLOP *** [Kd 5h 2d]
will641: bets $0.80
jackpot_22: raises $1 to $1.80
will641: raises $3.20 to $5
jackpot_22: raises $11.35 to $16.35 and is all-in