Help . . . I lost all my $$ with AK again.

[Grisgra]

Please tell me what I did wrong, if anything. Just really lost on how to play ANY hand postflop. Stupid NL . . .

***** Hand History for Game 2501567513 *****
NL Texas Hold'em $30 Buy-in + $3 Entry Fee Trny:14667750 Level:2 Blinds(15/30) - Monday, August 08, 20:39:47 EDT 2005
Table Table 12231 (Real Money)
Seat 9 is the button
Total number of players : 8
Seat 1: TTAAZ ( $380 )
Seat 2: Kalani182 ( $843 )
Seat 3: pingshark ( $837 )
Seat 6: Grisgra ( $770 )
Seat 7: golfinguy ( $1245 )
Seat 8: feefeegee ( $915 )
Seat 9: yunonymous ( $515 )
Seat 10: kid_ghost ( $2495 )
Trny:14667750 Level:2
Blinds(15/30)
** Dealing down cards **
Dealt to Grisgra [ Kh Ac ]
Kalani182 folds.
pingshark folds.
Grisgra raises [85].
golfinguy folds.
feefeegee calls [85].
yunonymous folds.
kid_ghost folds.
TTAAZ calls [55].
** Dealing Flop ** [ 7s, Jh, Ah ]
TTAAZ checks.
Grisgra bets [175].
feefeegee calls [175].
TTAAZ folds.
** Dealing Turn ** [ 8h ]
Grisgra is all-In [510]
feefeegee calls [510].
** Dealing River ** [ Ts ]
Grisgra shows [ Kh, Ac ] a pair of aces.
feefeegee shows [ 7h, Qh ] a flush, ace high.
feefeegee wins 1640 chips from the main pot with a flush, ace high.
Grisgra finished in eighth place.
>You have options at walk a tight rope Table!.
Grisgra has left the table.