KJs UI - How to play the Turn and the possible River ?

[Spurious]

SB: Tight Passive after 100+ Hands.
SF: 26,5% PFR: 1,8%


Cryptologic 0.25/0.50 Hold'em <font color="#0000FF">(10 handed)</font>

Preflop: Hero is MP1 with K[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/heart.gif[/img].
<font color="#666666">1 folds</font>, UTG+1 calls, <font color="#CC3333">Hero raises</font>, <font color="#666666">1 folds</font>, MP3 calls, <font color="#666666">2 folds</font>, SB calls, <font color="#666666">1 folds</font>, UTG+1 calls.

Flop: (9.00 SB) 3[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, UTG+1 checks, <font color="#CC3333">Hero bets</font>, MP3 folds, SB calls, UTG+1 folds.

Turn: (5.50 BB) 8[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, Hero... ?


How to play the Turn? Should i fire again? The 8 is kind of a stupid Card to fire again, since its highly unlikely that i hold the case 8. Should i just check the turn and check behind if he checks again on the river?

Another question:
Preflop raise was alright or should i just flat call?
The table was kinda loose. 45% seeing the flop.