New to limit, no reads, just moved up.

What should be my general thoughtprocess. Are there valid reasons to bet, sizing? Nitty fold? Std to XB and Call a riverbet mostly? Feel I am high in my range.
Poker Stars $0.10/$0.25 No Limit Hold'em - 6 players - View hand 2892519

DeucesCracked Poker Videos Hand History Converter



Hero (BTN): $25.00

SB: $34.89

BB: $59.85

UTG: $25.85

MP: $27.56

CO: $45.94



Pre Flop: ($0.35) Hero is BTN with A J

3 folds, Hero raises to $0.62, SB raises to $2.11, 1 fold, Hero calls $1.49



Flop: ($4.47) A K 6 (2 players)

SB bets $2.77, Hero calls $2.77



Turn: ($10.01) 8 (2 players)

SB checks, Hero bets $3.15, SB raises to $30.01 all in, Hero folds