Standard river fold (i think) but what about turn?

[Acemanhattan]

Poker Stars - No Limit Hold'em Cash Game - $2/$4 Blinds - 6 Players - (LegoPoker HH Converter)

SB: $233.50
BB: $750.30
UTG: $435.00
Hero (MP): $451.00
CO: $1,032.30
BTN: $469.50

Preflop: Hero is dealt K[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/heart.gif[/img] (6 Players)
UTG folds, <font color="red">Hero raises to $16.00</font>, 2 folds, SB calls $14.00, BB calls $12.00

Flop: ($48) 5[img]/images/graemlins/diamond.gif[/img] J[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/diamond.gif[/img] (3 Players)
SB checks, BB checks, Hero checks

Turn: ($48) T[img]/images/graemlins/heart.gif[/img] (3 Players)
<font color="red">SB bets $28.00</font>, BB folds, Hero calls $28.00
(because he had 1/2 a buyin i didnt want to et jammed on, and i realld didnt know where i was at, but it was an insta bet that screamed "i missed a flop bet"
River: ($104) A[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">SB bets all-in for $189.50</font>
(i fold standard?)

Pot Size: $293.50

[ikestoys]

omg raise turn call river

[Acemanhattan]

I have a hard time arguing with you because you are obviously chuck norris, but i dont see how this could be the standard line. At least on the river.