Flopped the Royal - Not me, Villain!!

[wideboyuk]

I have just recently started to record and analyze all of the hands that I lose at showdown.
This one hurt me big time yesterday. Looking back it was a dangerous flop and I should have just let it go.
Comments please.

Party Poker No-Limit Hold'em, $ Hero (6 max, 5 handed) converter

Hero ($20.65)
UTG ($4.25)
MP :#A500AF(Villain)/ ($68.77)
Button ($33.8)
SB ($25.8)

Preflop: Hero is BB with A[img]/images/graemlins/heart.gif[/img], 7[img]/images/graemlins/club.gif[/img]. SB posts a blind of $0.1.
UTG calls $0.25, MP :#A500AF(Villain)/ calls $0.25, <font color="#666666">1 fold</font>, SB (poster) completes, Hero checks.

Flop: ($1) T[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, <font color="#CC3333">Hero bets $1</font>, UTG folds, Villain calls $1, SB calls $1.

Turn: ($4) 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, <font color="#CC3333">Hero bets $4</font>, Villain calls $4, SB calls $4.

River: ($16) A[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, Hero checks, <font color="#CC3333">Villain bets $3</font>, SB calls $3, <font color="#CC3333">Villain raises to $27.8</font>, SB folds.

Final Pot: $46.80

Results in white below: <font color="#FFFFFF">
Hero has Ah 7c (one pair, aces).
Villain has Jc Ac (straight flush, ace high).
Outcome: Villain wins $46.80. </font>