[iStackBooks]

The only hand I've shown is KK. Is this standard, or too weak?

Full Tilt Poker Game #3820670111: $7,500 Guarantee (28592279), Table 8 - 15/30 - No Limit Hold'em - 4:22:49 ET - 2007/10/11
Seat 1: jt4nadub (2,120)
Seat 2: swiftyz24 (1,615)
Seat 3: gankedpopo (1,325)
Seat 4: ValentineVi (1,870)
Seat 5: iStackBooks (2,985)
Seat 6: Lachbail (3,190)
Seat 7: KingAir300 (5,200)
Seat 8: De_NuttZZ (3,330)
Seat 9: Dave1043025 (1,985)
jt4nadub posts the small blind of 15
swiftyz24 posts the big blind of 30
The button is in seat #9
*** HOLE CARDS ***
Dealt to iStackBooks [As Ac]
gankedpopo folds
ValentineVi folds
iStackBooks raises to 100
Lachbail calls 100
KingAir300 folds
De_NuttZZ folds
Dave1043025 folds
jt4nadub folds
swiftyz24 calls 70
*** FLOP *** [Td Js 7d]
swiftyz24 checks
iStackBooks bets 315
Lachbail calls 315
swiftyz24 folds
*** TURN *** [Td Js 7d] [8d]
iStackBooks checks
Lachbail bets 650
iStackBooks folds