Couple hand questions, 22's

[Jeoke]

These are probably basic questions but Im still a newbie.

When if ever should i be concerned about someone having trips?

***** Hand History for Game -1983534686 *****
15/30 TOURNEYTEXASHTGAMETABLE (NL) (TOURNAMENT 13660475) - MON JUL 04 23:34:52 EDT 2005
Table Table 13944 (Real Money) -- Seat 3 is the button
Total number of players : 10
Seat 1: turbolaunch (800)
Seat 2: Tiffsters (800)
Seat 3: Jocko78 (800)
Seat 4: scanegali (800)
Seat 5: OwenALot (800)
Seat 6: Kramerica11 (800)
Seat 7: golfnpoker88 (800)
Seat 8: hotcookie42 (800)
Seat 9: Rustyw20 (800)
Seat 10: magicman3890 (800)
scanegali posts small blind (10)
OwenALot posts big blind (15)
** Dealing down cards **
Dealt to Kramerica11 [ As, Ah ]
Kramerica11 raises (45) to 45
golfnpoker88 folds.
hotcookie42 folds.
Rustyw20 folds.
magicman3890 folds.
turbolaunch folds.
Tiffsters calls (45)
Jocko78 folds.
scanegali calls (35)
OwenALot calls (30)
** Dealing Flop ** : [ 7d, 9s, 9c ]
scanegali checks.
OwenALot checks.
Kramerica11 bets (100)
Tiffsters calls (100)
scanegali calls (100)
OwenALot folds.
** Dealing Turn ** : [ Jd ]
scanegali checks.
Kramerica11 bets (250)
Tiffsters calls (250)
scanegali raises (655) to 655
scanegali is all-In.
Kramerica11...?



With so many people in the game I didnt get any opportunites to steal. With my stack very low and the blinds going up soon i decided to steal here.

***** Hand History for Game -1983545842 *****
50/100 TOURNEYTEXASHTGAMETABLE (NL) (TOURNAMENT 13659720) - MON JUL 04 23:32:45 EDT 2005
Table Table 14894 (Real Money) -- Seat 5 is the button
Total number of players : 9
Seat 1: fraitrain (1065)
Seat 2: ESYFS (705)
Seat 3: aberca (1033)
Seat 4: jaz_7 (1000)
Seat 5: tonybunch (1487)
Seat 6: Kramerica11 (330)
Seat 7: iron85 (665)
Seat 8: sbaney (835)
Seat 10: webb_slinger (880)
Kramerica11 posts small blind (25)
iron85 posts big blind (50)
** Dealing down cards **
Dealt to Kramerica11 [ 8h, Ks ]
sbaney calls (50)
webb_slinger folds.
fraitrain folds.
ESYFS folds.
aberca folds.
jaz_7 folds.
tonybunch calls (50)
Kramerica11 raises (305) to 330
Kramerica11 is all-In.