My name is UnbelieveableJeff and through 75k hands of 25NL I am running at 0.2 BB/100. Introductions over, lets get to some hands. Any advice appreciated
Sorry about the lack of pictures in the converted hands btw. I'm not allowed to use them till I have 10 posts apparently

Hand 1: AA vs 16/5/0.5. Seems standard to me. Is it?

PokerStars No-Limit Hold'em, $0.25 BB (9 handed) -

UTG+1 ($9.75)
MP1 ($23.75)
MP2 ($27.40)
MP3 ($29.80)
CO ($5)
Button ($25.15)
SB ($5.45)
BB ($25.25)
Hero (UTG) ($26.35)

Preflop: Hero is UTG with Ac, Ad
Hero bets $1, 3 folds, MP3 calls $1, 4 folds

Flop: ($2.35) 3c, 7d, 7s (2 players)
Hero bets $2, MP3 calls $2

Turn: ($6.35) Jh (2 players)
Hero bets $6, MP3 calls $6

River: ($18.35) 9s (2 players)
Hero bets $17.35 (All-In), MP3 calls $17.35

Total pot: $53.05 | Rake: $2.60


Hand 2: Villain is 15/12/1.5. How is my line and what do I do on river as played?

PokerStars No-Limit Hold'em, $0.25 BB (8 handed) -

Button ($52.90)
SB ($5.10)
BB ($12.25)
UTG ($24.15)
UTG+1 ($25)
Hero (MP1) ($25.60)
MP2 ($21.35)
CO ($3.95)

Preflop: Hero is MP1 with Ac, Kd
2 folds, Hero bets $1, 2 folds, Button calls $1, 2 folds

Flop: ($2.35) 2c, Ah, Ks (2 players)
Hero bets $2, Button calls $2

Turn: ($6.35) Qc (2 players)
Hero bets $5, Button calls $5

River: ($16.35) Jc (2 players)
Hero checks, Button bets $8, Hero........


Hand 3: Villain seems a standard shortstacky type player. Am I meant to be playing AJs like this?

PokerStars No-Limit Hold'em, $0.25 BB (7 handed) -

SB ($5.20)
Hero (BB) ($25)
UTG ($21)
MP1 ($25)
MP2 ($4.30)
CO ($10)
Button ($25)

Preflop: Hero is BB with As, Js
2 folds, MP2 calls $0.25, CO (poster) checks, 2 folds, Hero bets $1.50, 1 fold, CO (poster) calls $1.25

Flop: ($3.35) 8c, 10h, Jc (2 players)
Hero bets $3, CO raises to $8.50 (All-In), Hero calls $5.50

Turn: ($20.35) 9c (2 players, 1 all-in)

River: ($20.35) 6c (2 players, 1 all-in)

Total pot: $20.35 | Rake: $1

I think that'll do for now. Any advice would be great!