50 NL, TP3K, question of value

[yapee]

Villain is 26/10/1.8

Ongame No Limit Hold'em BB($0.50)

Button: $56.35
SB: $90.90
BB: $70.35
UTG: $50.00
Hero: $58.10
CO: $44.45

Preflop: Hero is dealt J[img]/images/graemlins/club.gif[/img] A[img]/images/graemlins/spade.gif[/img] (6 Players)
UTG folds, <font color="red">Hero raises to $2.0</font>, CO folds, Button calls $2.0, SB folds, BB calls $1.5

Flop: ($6.25) A[img]/images/graemlins/heart.gif[/img] 8[img]/images/graemlins/diamond.gif[/img] 4[img]/images/graemlins/spade.gif[/img]
<font color="red">BB bets $3.5</font>, <font color="red">Hero raises to $10.0</font>, Button folds, BB calls $6.5

Turn: ($26.25) 8[img]/images/graemlins/club.gif[/img]
BB checks, Hero ?

In what lines should my thinking go here?

More like "OMG i'm behind" or more like "I'm ahead, so bet" or more like "There are no obvious draws to protect against, so I check and call a river bet"?