can i lay this down?

[Ray_bob]

the villain has not played aggressive at all and is a semi straightfoward player

***** Hand History for Game 3268873259 *****
NL Texas Hold'em $5 Buy-in + $1 Entry Fee Trny:18641814 Level:3 Blinds(25/50) - Tuesday, December 27, 10:53:54 EDT 2005
Table Table 66935 (Real Money)
Seat 9 is the button
Total number of players : 6
Seat 1: ForKingRiver ( $985 )
Seat 3: raystay ( $1885 )
Seat 4: saguate ( $635 )
Seat 5: ChristianT66 ( $1820 )
Seat 8: MARTIBEAR ( $2590 )
Seat 9: FluffyD111 ( $85 )
Trny:18641814 Level:3
Blinds(25/50)
** Dealing down cards **
Dealt to raystay [ 7c Ah ]
saguate folds.
ChristianT66 folds.
MARTIBEAR calls [50].
FluffyD111 folds.
ForKingRiver calls [25].
raystay checks.
** Dealing Flop ** [ 2s, 6c, Ac ]
>You have options at Table 67118 Table!.
ForKingRiver checks.
raystay bets [50].
MARTIBEAR calls [50].
ForKingRiver folds.
** Dealing Turn ** [ Ks ]
raystay bets [50].
MARTIBEAR calls [50].
** Dealing River ** [ Qh ]
raystay checks.
MARTIBEAR bets [50].
raystay calls [50].
MARTIBEAR shows [ 6d, 6h ] three of a kind, sixes.
raystay doesn't show [ 7c, Ah ] a pair of aces.
MARTIBEAR wins 450 chips from the main pot with three of a kind, sixes.