Party Poker No-Limit Hold'em, $ BB (10 handed) converter

BB ($29.5)
Hero ($70.6)
UTG+1 ($69.6)
UTG+2 ($74.25)
MP1 ($216.52)
MP2 ($46)
MP3 ($70.25)
CO ($49)
Button ($83.94)
SB ($44.5)

Preflop: Hero is UTG with K, K. SB posts a blind of $0.25.
Hero raises to $2, 2 folds, MP1 calls $2, 1 fold, MP3 calls $2, 1 fold, Button calls $2, 2 folds.

Flop: ($8.75) K, Q, A (4 players)
Hero bets $7, MP1 calls $7, MP3 calls $7, Button folds.

Turn: ($29.75) T (3 players)
Hero checks, MP1 checks, MP3 bets $20

Now what??, or if you don't like the check on the turn what's your play?





Party Poker No-Limit Hold'em, $ Hero (9 handed) converter

UTG+1 ($10.75)
MP1 ($50.48)
MP2 ($109.88)
MP3 ($36.55)
CO ($46.25)
Button ($54.35)
SB ($54.8)
Hero ($72.58)
UTG ($38.38)

Preflop: Hero is BB with J, 4. SB posts a blind of $0.25.
7 folds, SB (poster) completes, Hero checks.

Flop: ($1) J, 4, 6 (2 players)
SB bets $3, Hero raises to $6, SB calls $51.30 (All-In)

What's your play?