100NL getting tricky with 99

[Das Budrick]

UTG is TAG, 16/12/4
button is a very sloppy 40/14/6

I call preflop both times for set value

button's cbet seemed to indicate weakness so i check raised

Full Tilt Poker Game #4203367386: Table Anasazi - $0.50/$1 - No Limit Hold'em - 5:53:23 ET - 2007/11/17
Seat 1: Roon2020 ($172.65)
Seat 2: flomoo ($18.50)
Seat 3: William Zei ($115.65)
Seat 4: letsgoplay ($122.70)
Seat 5: grackle ($45.10)
Seat 6: Bocker ($66.20)
Seat 7: eEYEeEYEo ($100)
Seat 8: faded umbra ($100)
Seat 9: mookymcmookster ($250.60)
grackle posts the small blind of $0.50
Bocker has 5 seconds left to act
Bocker posts the big blind of $1
The button is in seat #4
*** HOLE CARDS ***
Dealt to faded umbra [9c 9d]
eEYEeEYEo raises to $3.50
grackle: 79 to win 3?
faded umbra calls $3.50
mookymcmookster folds
Roon2020 folds
flomoo folds
William Zei folds
letsgoplay raises to $14
grackle folds
Bocker folds
eEYEeEYEo has 15 seconds left to act
eEYEeEYEo calls $10.50
faded umbra calls $10.50
*** FLOP *** [5d Ah 7s]
eEYEeEYEo checks
faded umbra checks
letsgoplay bets $15
eEYEeEYEo folds
eEYEeEYEo adds $14
faded umbra raises to $45