Hand 1: Villain in this hand is 35/12 over 100 hands, he got his stack when on a KT9xx board he set his opponent all in and his opponent called with KJ, Villain had AA and won the hand but it makes me think he overvalues his hands a bit. This hand is pretty standard I think? Comments on all streets appreciated. Is a river call here standard?

Party Poker No-Limit Hold'em, $ BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

CO ($194.43)
Button ($501.50)
Hero ($256.35)
BB ($389)
UTG ($183)
MP ($58)

Preflop: Hero is SB with K, K. Hero posts a blind of $1.
1 fold, MP calls $2, 1 fold, Button calls $2, Hero (poster) raises to $11, 1 fold, MP folds, Button calls $10.

Flop: ($28) 3, 6, 8 (2 players)
Hero bets $18, Button calls $18.

Turn: ($64) 7 (2 players)
Hero checks, Button bets $40, Hero calls $40.

River: ($144) 8 (2 players)
Hero checks, Button bets $65, Hero ????

Hand 2: Villain in this hand is 25/7 over 150 hands and very, very passive. His cold call preflop I thought was TT-KK. On the flop when I bet out and he called I figured I was in bad shape, this is a standard c/f, right?

Party Poker No-Limit Hold'em, $ BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Button ($67.35)
Hero ($276.40)
BB ($164.53)
UTG ($183.43)
MP ($242.25)

Preflop: Hero is SB with A, A. Hero posts a blind of $1.
1 fold, MP raises to $8, 1 fold, Hero (poster) raises to $23, BB calls $22, MP calls $16.

Flop: ($72) K, T, 7 (3 players)
Hero bets $45, BB calls $45, MP folds.

Turn: ($162) Q (2 players)
Hero checks, BB bets $64.35, Hero ???

Hand 3: No reads on villain, but is this a standard push here preflop with his 50xbb stack?

Party Poker No-Limit Hold'em, $ BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

UTG ($228.38)
Hero ($217)
Button ($447.95)
SB ($99.30)
BB ($179.60)

Preflop: Hero is MP with T, T. SB posts a blind of $1.
UTG calls $2, Hero raises to $9, 1 fold, SB (poster) raises to $40, 1 fold, UTG folds, Hero ???