No read. Worthwhile or not?

PokerStars No-Limit Hold'em, $2 BB (5 handed) FTR converter on zerodivide.cx

MP ($242.95)
Hero ($195)
SB ($197.65)
BB ($221.90)
UTG ($60.90)

Preflop: Hero is Button with 5, A.
2 folds, Hero raises to $8, 1 fold, BB calls $6.

Flop: ($17) A, K, 9 (2 players)
BB checks, Hero bets $12, BB raises to $28, Hero raises to $187, BB folds.

Final Pot: $232