hand 1: villain is 11/8/3 over 600 hands. Is my passive line profitable vs this guy? river decision ?
PokerStars No-Limit Hold'em, $1.00 BB (7 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

Hero (UTG) ($98.50)
MP1 ($84.75)
MP2 ($97.50)
CO ($118.80)
Button ($52.05)
SB ($54)
BB ($278.85)

Preflop: Hero is UTG with A, A
Hero raises to $4, 2 folds, CO calls $4, 3 folds

Flop: ($9.50) Q, 7, 9 (2 players)
Hero bets $6.50, CO calls $6.50

Turn: ($22.50) Q (2 players)
Hero checks, CO bets $15, Hero calls $15

River: ($52.50) J (2 players)
Hero checks, CO bets $37, Hero ?

hand 2: villain is 20/9/1.5 over 100 hands. c/c , c/f or b/f ?? bet sizing??

PokerStars No-Limit Hold'em, $1.00 BB (7 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

BB ($142.20)
Hero (UTG) ($100)
MP1 ($118.30)
MP2 ($68.55)
CO ($111)
Button ($80.90)
SB ($119.05)

Preflop: Hero is UTG with 8, 8
Hero raises to $4, 1 fold, MP2 calls $4, 3 folds, BB calls $3

Flop: ($12.50) K, 3, K (3 players)
BB checks, Hero bets $8, MP2 calls $8, 1 fold

Turn: ($28.50) 2 (2 players)
Hero ?