Nut flush on paired board

[theblitz]

Villain is 18% VPIP with PFR of 10%.
His WSD is only 35% so he is obviously going to the showdown with weaker hands.

Game #1557936673: Hold'em NL ($0.50/$1) - 2005/12/12 - 01:55:56 (UK)
Table "Orchid" Seat 2 is the button.
Seat 1: Scarecrow ($123.69 in chips)
Seat 2: Bob08061 ($41 in chips)
Seat 3: The_Alien ($88.63 in chips)
Seat 4: volley1 ($88 in chips)
Seat 5: CrazyFox ($100.62 in chips)
Seat 8: Desparado ($112.50 in chips)
Seat 10: Hero ($44.50 in chips)
The_Alien: posts small blind $0.50
volley1: posts big blind $1
----- HOLE CARDS -----
dealt to Hero [A[img]/images/graemlins/heart.gif[/img] J[img]/images/graemlins/heart.gif[/img]]
CrazyFox: calls $1
Desparado: folds
Hero: calls $1
Scarecrow: calls $1
Bob08061: folds
The_Alien: calls $0.50
volley1: checks
----- FLOP ----- ($5) [J[img]/images/graemlins/spade.gif[/img] 4[img]/images/graemlins/heart.gif[/img] T[img]/images/graemlins/heart.gif[/img]]
The_Alien: bets $1
volley1: folds
CrazyFox: folds
Hero: calls $1
Scarecrow: folds
----- TURN ----- ($7) [J[img]/images/graemlins/spade.gif[/img] 4[img]/images/graemlins/heart.gif[/img] T[img]/images/graemlins/heart.gif[/img]][K[img]/images/graemlins/heart.gif[/img]]
The_Alien: bets $5
Hero: raises to $14
The_Alien: calls $9
----- RIVER ----- ($35) [J[img]/images/graemlins/spade.gif[/img] 4[img]/images/graemlins/heart.gif[/img] T[img]/images/graemlins/heart.gif[/img] K[img]/images/graemlins/heart.gif[/img]][4[img]/images/graemlins/diamond.gif[/img]]
Ste050910 joins the table at seat #9
The_Alien: bets $1
Hero: ?

Blocking bet or a "please raise me" bet?