No read on villain, would you call this and why or why not?

***** Hand History for Game 2480972688 *****
$600 NL Texas Hold'em - Friday, August 05, 04:00:05 EDT 2005
Table Table 36556 (6 max) (Real Money)
Seat 4 is the button
Total number of players : 6
Seat 1: EvilEcstasy_ ( $1220.10 )
Seat 2: viperboy2004 ( $303.25 )
Seat 3: Nothing4U ( $925.60 )
Seat 4: Lord_Julius ( $662.80 )
Seat 5: Ms_Russia ( $470.54 )
Seat 6: Da_Whizard77 ( $250.40 )
Ms_Russia posts small blind [$3].
Da_Whizard77 posts big blind [$6].
** Dealing down cards **
Dealt to EvilEcstasy_ [ Jd Ad ]
EvilEcstasy_ raises [$15].
viperboy2004 calls [$15].
Nothing4U folds.
Lord_Julius folds.
Ms_Russia calls [$12].
Da_Whizard77 folds.
** Dealing Flop ** [ Kc, 6c, 3h ]
Ms_Russia checks.
EvilEcstasy_ checks.
viperboy2004 checks.
** Dealing Turn ** [ As ]
Ms_Russia checks.
EvilEcstasy_ bets [$30].
viperboy2004 calls [$30].
Ms_Russia calls [$30].
** Dealing River ** [ 2s ]
Ms_Russia bets [$150].
EvilEcstasy_ ???