50NL:stupid bluff?

[Kukla]

my stats is 19/16/2.6 AttSt 30%
Villains is 26/14/2 only 46 hands

iPoker No-Limit Texas Hold'em (NL50), $0.50 BB (6 handed) SilverKitty Hand History converter by www.pokeronline.com.ua

CO ($146.12)
Button ($100.15)
Hero($60)
BB($50)
MP2 ($98.2)
MP3 ($9.13)

Hero: Post SB $0.25
BB: Post BB $0.50

Preflop:
Hero is SB with 5[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/club.gif[/img]
<font color="#666666">4 folds</font>
<font color="#CC2222">Hero Raise $1.75</font>
BB Call $1.5

Flop:($4) Q[img]/images/graemlins/diamond.gif[/img], 5[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/heart.gif[/img]<font color="#0030DD">(2 players)</font>
<font color="#CC2222">Hero Bet $3</font>
<font color="#CC2222">BB Raise $10.25</font>
Hero Call $7.25
<font color="blue">What is best(or standart?) line in this situation. My plan was bet/fold not flush turn. </font>
Turn:($24.5) 6[img]/images/graemlins/diamond.gif[/img]<font color="#0030DD">(2 players)</font>
Hero Check
BB Check

River:($24.5) K[img]/images/graemlins/diamond.gif[/img]<font color="#0030DD">(2 players)</font>
Hero Check
<font color="#CC2222">BB Bet $15.25</font>
<font color="#CC2222">Hero Allin $47.75</font>
[img]/images/graemlins/smile.gif[/img]Heh , my though at that moment was that there is some hands that can't call all-in, but know when i see this hand i think that if i has solved to bluff, bet pot much better thant CR ai?! Isn't it?