I'm really just wondering what to do in these standard situations where it is folded to you in the sb and you pick up a premium hand...

Hand #1:

Villain is running 21/19 over 208 and his 3-bet% from the bb was 6%
He also has a 91% fold to steal from the bb.

Though I'm not really sure if I can discount his 3-bet here due to the fact that he may perceive my range as weaker. This is the first time I can recall that the button folded and I had raised his blind from the sb.

PokerStars No-Limit Hold'em, $0.25 BB (6 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

Hero (SB) ($33.65)
BB ($31.95)
UTG ($43.30)
MP ($21.70)
CO ($29.80)
Button ($18.10)

Preflop: Hero is SB with ,
4 folds, Hero bets $1, BB raises to $3.25, Hero ???

I think his range is something like 99+ AQ+ here, to which I have 45% equity.

Q #1) So is a fold okay here? I mean my only real options are to raise or fold. Note that we are slightly deeper as well with ~130 BB stacks
Q #2) If I did come to the conclusion that I was going to 4-bet, (ie I thought he was 3-betting me lighter here) what is a good bet size to do so? My plan if I were to 4-bet would obviously be to call a shove, so should I be 4-betting smaller here? I don't think 4-bet shoving is good, as I don't think it'll fold better, but I'm not too sure.



Hand #2:

Similar spot, villain here was 13/10 over 164, and had only 3 bet twice and had 42 opportunities to do so (5%)

PokerStars No-Limit Hold'em, $0.25 BB (5 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

UTG ($15)
MP ($4.70)
Button ($32.15)
Hero (SB) ($25.70)
BB ($31.60)

Preflop: Hero is SB with ,
3 folds, Hero bets $1, BB raises to $3, Hero ???,

I think his range is something like JJ+ AQ+

Thing is I don't really expect him to call a shove with AQ, maybe not even JJ. So I'm not really sure how to continue since the only hands that are calling me I only have 40% equity against (QQ+ AK) So what's better? I don't think calling is good at all, so again its either a fold or a 4-bet.

Q#3) Fold or 4-bet, and if you do 4-bet, to what size?