First 2 hands are against same villain. No read for the first one.

Full Tilt No-Limit Hold'em, $0.50 BB (6 handed) - Full-Tilt Converter Tool from FlopTurnRiver.com

MP ($55.55)
CO ($66.25)
Button ($26.70)
SB ($50.05)
BB ($92.65)
Hero (UTG) ($49.05)

Preflop: Hero is UTG with A, A
Hero raises to $1.75, MP calls $1.75, 3 folds, BB calls $1.25

Flop: ($5.50) 3, 4, K (3 players)
BB bets $4, Hero raises to $11, 1 fold, BB raises to $90.90 (All-In) Hero??

What is my calling range here, and does it change if I have the A?

2nd hand is vs same villain he has played fairly tagg since hand 1. He a good bit of his time bank before he shoved (should this effect my decision?).

Full Tilt No-Limit Hold'em, $0.50 BB (6 handed) - Full-Tilt Converter Tool from FlopTurnRiver.com

UTG ($11.65)
MP ($56)
CO ($52.60)
Button ($48.90)
SB ($64.35)
Hero (BB) ($91.10)

Preflop: Hero is BB with Q, Q
2 folds, CO raises to $1, 1 fold, SB raises to $3.50, Hero raises to $12, 1 fold, SB raises to $64.35 (All-In) Hero??

Also what is my calling range here?

This hand is vs 2 villains that seem donkish. Can I value bet this river, and if so how much?

Full Tilt No-Limit Hold'em, $0.50 BB (6 handed) - Full-Tilt Converter Tool from FlopTurnRiver.com

MP ($49.50)
CO ($50)
Hero (Button) ($73.30)
SB ($25.25)
BB ($26.05)
UTG ($26.10)

Preflop: Hero is Button with 9, 9
UTG calls $0.50, 1 fold, CO raises to $1.50, Hero raises to $5.75, 2 folds, UTG calls $5.25, CO calls $4.25

Flop: ($18) Q, 4, Q (3 players)
UTG checks, CO checks, Hero checks

Turn: ($18) Q (3 players)
UTG bets $4, CO calls $4, Hero calls $4

River: ($30) 7 (3 players)
UTG checks, CO checks, Hero??