How big a mistake was my raise.

I am only about a month into my poker playing, obviously, still have much to learn.

I am most concerned with maximising my wins, minimising my loses (aren't we all LOL)

Any comments welcome.

-----HAND 4------
Game #1366678403: Hold'em NL (7/15) - 2005/11/19 - 21:39:08 (BST)
Table "SixPak10 1414543 - 1" Seat 1 is the button.
Seat 1: NevadaKaz (1045 in chips)
Seat 2: Glassback (1172 in chips)
Seat 3: franc (835 in chips)
Seat 4: c0u0n0t (835 in chips)
Seat 5: comander1 (1060 in chips)
Seat 6: Oakesien1 (1053 in chips)
Glassback: posts small blind 7
franc: posts big blind 15
----- HOLE CARDS -----
dealt to NevadaKaz [Qs Jd]
c0u0n0t: calls 15
comander1: folds
Oakesien1: calls 15
NevadaKaz: raises to 30
Glassback: calls 23
franc: calls 15
c0u0n0t: raises to 45
Oakesien1: calls 30
NevadaKaz: calls 15
Glassback: calls 15
franc: folds
----- FLOP ----- [Th Kd 5c]
Glassback: checks
c0u0n0t: bets 90
Oakesien1: folds
NevadaKaz: calls 90
Glassback: folds
----- TURN ----- [Th Kd 5c][9s]
c0u0n0t: bets 165
NevadaKaz: raises to 330
c0u0n0t: folds
Returned uncalled bets 165 to NevadaKaz
NevadaKaz: doesn't show hand
NevadaKaz collected 720 from Main pot
----- SUMMARY -----
Total pot 720 Main pot 720 Rake 0
Board [Th Kd 5c 9s]
Seat 1: NevadaKaz (button) collected 720
Seat 2: Glassback (small blind) folded on the Flop
Seat 3: franc (big blind) folded before Flop (didn't bet)
Seat 4: c0u0n0t folded on the Turn
Seat 5: comander1 folded before Flop (didn't bet)
Seat 6: Oakesien1 folded on the Flop