Stars $15, my friend has KK what should he do?

[wpr101]

He is basically wondering whether he should play kings this fast or not? I think it was fine.

PokerStars Game #5130257486: Tournament #25791706, $15+$1 Hold'em No Limit - Level II (15/30) - 2006/06/02 - 16:38:41 (ET)
Table '25791706 1' 9-max Seat #7 is the button
Seat 1: waterboy415 (2120 in chips)
Seat 2: johnny333 (1210 in chips)
Seat 3: Lazy F (3190 in chips)
Seat 5: ChumleyH (1440 in chips)
Seat 6: CRAZYBRIGUY (70 in chips)
Seat 7: slim99slim (1400 in chips)
Seat 8: Cackdiesel (2490 in chips)
Seat 9: MrsMap (1580 in chips)
Cackdiesel: posts small blind 15
MrsMap: posts big blind 30
*** HOLE CARDS ***
waterboy415: folds
johnny333: folds
Lazy F: folds
ChumleyH: raises 70 to 100
CRAZYBRIGUY: folds
slim99slim: calls 100
Cackdiesel: folds
MrsMap: folds
*** FLOP *** [5h 4s 2d]
ChumleyH: bets 200
slim99slim: raises 400 to 600
ChumleyH: raises 740 to 1340 and is all-in
slim99slim: calls 700 and is all-in
*** TURN *** [5h 4s 2d] [Kc]
*** RIVER *** [5h 4s 2d Kc] [9d]
*** SHOW DOWN ***
ChumleyH: shows [Ks Kd] (three of a kind, Kings)
slim99slim: shows [Ts Th] (a pair of Tens)
ChumleyH collected 2845 from pot
*** SUMMARY ***
Total pot 2845 | Rake 0
Board [5h 4s 2d Kc 9d]
Seat 1: waterboy415 folded before Flop (didn't bet)
Seat 2: johnny333 folded before Flop (didn't bet)
Seat 3: Lazy F folded before Flop (didn't bet)
Seat 5: ChumleyH showed [Ks Kd] and won (2845) with three of a kind, Kings
Seat 6: CRAZYBRIGUY folded before Flop (didn't bet)
Seat 7: slim99slim (button) showed [Ts Th] and lost with a pair of Tens
Seat 8: Cackdiesel (small blind) folded before Flop
Seat 9: MrsMap (big blind) folded before Flop

[anthony1968]

Seems like a solid play to me. The guy with the 10's made a pretty loose call on the all-in. Once your buddy went over the top of my raise, I would have definitely put him in a high pair and threw away my 10's.