This is the third time today someone has called my big preflop raise with suited crap.

Is doing this a donkey strategy that I should anticipate it if the flop is suited and he bets big?

***** Hand History for Game 3536346136 *****
$25 NL Texas Hold'em - Saturday, February 11, 18:36:15 ET 2006
Table Table 65447 (Real Money)
Seat 4 is the button
Total number of players : 9
Seat 1: andrelis004 ( $42.56 )
Seat 3: mhario ( $12.25 )
Seat 6: derdoy ( $48.92 )
Seat 9: marc16111 ( $46.17 )
Seat 10: Haka_ ( $28.83 )
Seat 4: Renton555 ( $24.05 )
Seat 7: moes7656 ( $41.30 )
Seat 8: PugNana ( $5 )
Seat 2: kanousebe ( $25 )
derdoy posts small blind [$0.10].
moes7656 posts big blind [$0.25].
kanousebe posts big blind [$0.25].
mhario posts big blind + dead [$0.35].
** Dealing down cards **
Dealt to Renton555 [ Ac Ah ]
marc16111 folds.
Haka_ calls [$0.25].
>You have options at Table 66316 Table!.
andrelis004 calls [$0.25].
kanousebe checks.
mhario checks.
Renton555 raises [$1.50].
derdoy folds.
moes7656 folds.
Haka_ folds.
andrelis004 folds.
kanousebe folds.
>You have options at Table 65252 Table!.
mhario calls [$1.25].
** Dealing Flop ** [ 7s, 3d, 6s ]
mhario checks.
>You have options at Table 66171 Table!.
Renton555 bets [$3].
mhario calls [$3].
** Dealing Turn ** [ 5s ]
mhario checks.
Renton555 checks.
** Dealing River ** [ 2d ]
mhario is all-In [$7.65]
Renton555 calls [$7.65].
mhario shows [ Qh, 4h ] a straight, three to seven.
Renton555 shows [ Ac, Ah ] a pair of aces.
mhario wins $24.25 from the main pot with a straight, three to seven.
>You have options at Table 66316 Table!.