Right read, wrong result

I regret nothing.

***** Hand History for Game 2164972123 *****
$50 NL Hold'em - Monday, June 06, 15:44:58 EDT 2005
Table Table 37166 (6 max) (Real Money)
Seat 6 is the button
Total number of players : 6
Seat 2: thesityplaya ( $24.05 )
Seat 3: Crsfan333 ( $10.5 )
Seat 4: UKDave32 ( $30.55 )
Seat 6: thebigd1 ( $76.35 )
Seat 1: stressball10 ( $79.55 )
Seat 5: taylor725 ( $49.05 )
stressball10 posts small blind [$0.25].
thesityplaya posts big blind [$0.5].
** Dealing down cards **
Dealt to stressball10 [ Ad Kc ]
Crsfan333 calls [$0.5].
UKDave32 calls [$0.5].
thebigd1 folds.
stressball10 raises [$1.75].
thesityplaya calls [$1.5].
Crsfan333 folds.
UKDave32 calls [$1.5].
** Dealing Flop ** [ 5s, 7h, 9h ]
stressball10 bets [$5].
thesityplaya calls [$5].
UKDave32 folds.
** Dealing Turn ** [ 9c ]
>You have options at Table 36784 (6 max) Table!.
stressball10 checks.
thesityplaya bets [$7].
>You have options at Table 36784 (6 max) Table!.
stressball10 raises [$20].
thesityplaya is all-In [$10.05]
** Dealing River ** [ 6h ]
stressball10 shows [ Ad, Kc ] a pair of nines.
thesityplaya shows [ Ah, Th ] a flush, ace high.
stressball10 wins $2.95 from side pot #1 with a pair of nines.
thesityplaya wins $48.6 from the main pot with a flush, ace high.