Turn MinRaise on TP w/ FD

[crosse91]

PokerStars Game #12635795967: Hold'em No Limit ($0.10/$0.25) - 2007/10/15 - 01:25:17 (ET)
Table 'Arosa II' 6-max Seat #4 is the button
Seat 1: Sat666an ($4.50 in chips)
Seat 2: Rejas_87 ($28.10 in chips)
Seat 3: JTHOOPS ($28.85 in chips)
Seat 4: Katz3 ($29.05 in chips)
Seat 5: fredthehead ($33.65 in chips)
Seat 6: crosse91 ($38.65 in chips)
fredthehead: posts small blind $0.10
crosse91: posts big blind $0.25
*** HOLE CARDS ***
Dealt to crosse91 [Qd Kd]
Sat666an: folds
Rejas_87: folds
JTHOOPS: folds
Katz3: raises $0.75 to $1
fredthehead: folds
crosse91: calls $0.75
*** FLOP *** [6s 5d Ks]
crosse91: checks
Katz3: bets $1
crosse91: calls $1
*** TURN *** [6s 5d Ks] [2d]
crosse91: bets $2.25
Katz3: raises $2.25 to $4.50
Hero: ??

What now? I've been out of it for awhile...