Two Questions

[KingDan]

The converter isnt working so I am going to copy anmd paste the hand... since this isnt showing stupid opponents i dont think anyone will mind.

Seat 1: mmboy ($1,810 in chips)
Seat 2: JessyJames11 ($3,055 in chips)
Seat 3: buk19 ($2,220 in chips)
Seat 4: RENTALDUDE ($885 in chips)
Seat 5: dammedriver ($2,470 in chips)
Seat 6: Jenichip1 ($2,655 in chips)
Seat 7: kniper ($1,210 in chips)
Seat 8: LeadingMan ($3,550 in chips)
Seat 9: nelson420 ($4,760 in chips)
Seat 10: KingDan23 [ AH,AC ] ($2,770 in chips)

ANTES/BLINDS
KingDan23 posts blind ($25), mmboy posts blind ($50).

PRE-FLOP
JessyJames11 folds, buk19 folds, RENTALDUDE folds, dammedriver folds, Jenichip1 folds, kniper folds, LeadingMan bets $100, nelson420 folds, KingDan23 bets $350, mmboy folds, LeadingMan calls $275.

FLOP [board cards 7C,10S,JC ]
KingDan23 bets $450, LeadingMan folds.

SHOWDOWN
KingDan23 wins $1,250

The first hand was somewhat early on... I was playing tight and didnt want to get knocked out letting someing play a weak hand on me. Is this too aggressive, and I should try to extract some more chips from him?

Later on...

Seat 1: charlie_glz ($11,090 in chips)
Seat 2: texacali04 ($1,200 in chips)
Seat 3: valley joes ($7,915 in chips)
Seat 4: LongVoTinh ($4,605 in chips)
Seat 5: poolplay ($10,045 in chips)
Seat 6: KingDan23 [ 9S,9C ] ($6,270 in chips)
Seat 7: Golfwick1 ($7,375 in chips)
Seat 8: jaz66 ($4,387 in chips)
Seat 9: mauiwauwi ($15,451 in chips)

ANTES/BLINDS
charlie_glz posts blind ($300), texacali04 posts blind ($600).

PRE-FLOP
valley joes folds, LongVoTinh calls $600, poolplay calls $600, KingDan23 bets $1,800, Golfwick1 folds, jaz66 folds, mauiwauwi folds, charlie_glz calls $1,500, texacali04 folds, LongVoTinh folds, poolplay calls $1,200.

FLOP [board cards 6S,JS,2H ]
charlie_glz checks, poolplay checks, KingDan23 bets $4,470 and is all-in, charlie_glz calls $4,470, poolplay folds.

TURN [board cards 6S,JS,2H,10S ]


RIVER [board cards 6S,JS,2H,10S,7D ]


SHOWDOWN
KingDan23 shows [ 9S,9C ]
charlie_glz shows [ QD,QH ]
charlie_glz wins $15,540.

I was only 10 big blinds by then and didnt really think I had much of a choice. There were 80 people left 40 cash and the big(ger) money is top few. I didnt want to go out getting blinded to death