50NL - Flopped straight on monotone board (unraised pot)

[dr clutch]

Haven't played a pot with villain yet. He seems to be somewhat taggish.
Is this standard?

Party Poker No-Limit Hold'em, $ Hero (6 handed) Hand History Converter Tool (http://poker-tools.flopturnriver.com/Hand-Converter.php) from FlopTurnRiver.com (http://www.flopturnriver.com) (Format: 2+2 Forums)

Hero ($61.95)
UTG ($58.75)
MP ($11.42)
CO ($54.39)
Button ($19.90)
SB ($56.75)

Preflop: Hero is BB with 7/images/graemlins/spade.gif, 4/images/graemlins/heart.gif. CO posts a blind of $0.75. SB posts a blind of $0.25.
UTG calls $0.50, <font color="#666666">1 fold</font>, CO (poster) checks, <font color="#666666">2 folds</font>, Hero checks.

Flop: ($2) 3/images/graemlins/club.gif, 5/images/graemlins/club.gif, 6/images/graemlins/club.gif <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets $2</font>, <font color="#CC3333">UTG raises to $7</font>, CO folds, <font color="#CC3333">Hero raises to $19</font>, UTG calls $51.25 (All-In), Hero folds.

Final Pot: $79.25

[Sir Winalot]

I'm not really sure I like your flop 3-bet. I'd probably just call and see what happens. As played, easy fold.

[pokerchap]

woah, is this really an easy fold? no chance he has Ac+ pair or something?