did I bet too small ?

villian is a calling SENSATION

PokerStars Game #11002658204: Hold'em No Limit ($25/$50) - 2007/07/18 - 12:32:34 (ET)
Table 'Vindobona' 9-max Seat #5 is the button
Seat 5: CoMbaL ($1331.50 in chips)
Seat 6: ADZ124 ($9722 in chips)
Seat 7: Grimstarr ($4890.50 in chips)
Seat 8: jess112234 ($3611 in chips)
Seat 9: Cjones984 ($1125 in chips)
ADZ124: posts small blind $25
Grimstarr: posts big blind $50
*** HOLE CARDS ***
Dealt to Grimstarr [Qh Kc]
jess112234: raises $50 to $100
Cjones984: folds
CoMbaL: folds
ADZ124: folds
Grimstarr: calls $50
*** FLOP *** [Qs Qd 8d]
Grimstarr: bets $250
jess112234: raises $250 to $500
Grimstarr: raises $755 to $1255
jess112234: calls $755
*** TURN *** [Qs Qd 8d] [7h]
Grimstarr: bets $888
jess112234: calls $888
*** RIVER *** [Qs Qd 8d 7h] [Jd]
Grimstarr: bets $2647.50 and is all-in
jess112234: calls $1368 and is all-in