Bascially with my preflop actions is this a solid play? I believe one of my weaknesses is that I do not get agressive enough when I am down in chips. So saying that, is my pre flop play correct. Do you make the raise or do you fold and take your chances with the blinds coming around?

pokerstars Game #11047081412: Tournament #56023248, $5.00+$0.50 Hold'em No Limit - Level V (75/150) - 2007/07/20 - 22:19:15 (ET)
Table '56023248 2' 9-max Seat #3 is the button
Seat 1: abdiver9 (1465 in chips)
Seat 2: 11C11 (3630 in chips)
Seat 3: saxman1963 (2270 in chips)
Seat 4: zeeke42 (4405 in chips)
Seat 5: newfestud (3405 in chips)
Seat 6: vegas230 (3100 in chips)
Seat 7: khud55 (1555 in chips)
Seat 8: Zelk (1425 in chips)
Seat 9: goblues30 (5745 in chips)
zeeke42: posts small blind 75
newfestud: posts big blind 150
*** HOLE CARDS ***
Dealt to Zelk [Qd Kd]
vegas230: folds
khud55: folds
Zelk: raises 300 to 450
goblues30: folds
abdiver9: folds
11C11: folds
saxman1963: folds
zeeke42: folds
newfestud: calls 300
*** FLOP *** [6s 6c 7s]
newfestud: bets 150
Zelk: raises 825 to 975 and is all-in
newfestud: calls 825
*** TURN *** [6s 6c 7s] [4d]
*** RIVER *** [6s 6c 7s 4d] [Ts]
*** SHOW DOWN ***
newfestud: shows [Ks Js] (a flush, King high)
Zelk: shows [Qd Kd] (a pair of Sixes)
newfestud collected 2925 from pot
*** SUMMARY ***
Total pot 2925 | Rake 0
Board [6s 6c 7s 4d Ts]
Seat 1: abdiver9 folded before Flop (didn't bet)
Seat 2: 11C11 folded before Flop (didn't bet)
Seat 3: saxman1963 (button) folded before Flop (didn't bet)
Seat 4: zeeke42 (small blind) folded before Flop
Seat 5: newfestud (big blind) showed [Ks Js] and won (2925) with a flush, King high
Seat 6: vegas230 folded before Flop (didn't bet)
Seat 7: khud55 folded before Flop (didn't bet)
Seat 8: Zelk showed [Qd Kd] and lost with a pair of Sixes
Seat 9: goblues30 folded before Flop (didn't bet)