opp is 25/15/0.5 I have never seen him bluff and based on his play id say his mosty likely holding is a FD on flop and turn. Never have seen him block bet.

PokerStars Game #9573167012: Hold'em No Limit ($1/$2) - 2007/04/23 - 18:50:19 (ET)
Table 'Irene II' 6-max Seat #4 is the button
Seat 1: investor_s2m ($514.85 in chips)
Seat 2: R0HR ($197 in chips)
Seat 3: redgrape ($509.55 in chips)
Seat 4: BHold ($239.25 in chips)
Seat 6: marquitos74 ($262.80 in chips)
marquitos74: posts small blind $1
investor_s2m: posts big blind $2
*** HOLE CARDS ***
Dealt to redgrape [Ah As]
R0HR: folds
redgrape: raises $6 to $8
BHold: folds
marquitos74: folds
investor_s2m: calls $6
*** FLOP *** [Ac 7d Jd]
investor_s2m: bets $14
redgrape: raises $40 to $54
investor_s2m: calls $40
*** TURN *** [Ac 7d Jd] [Kc]
investor_s2m: checks
redgrape: bets $94
investor_s2m: calls $94
*** RIVER *** [Ac 7d Jd Kc] [Tc]
investor_s2m: bets $152
redgrape: ????