Table is playing semi-loose and passive post-flop

MP1 is typical of a full-buy in this game, perhaps a little donkish, but sane. My guess is a med pocket pair or dominated broadways.
No read on MP2

Party Poker No-Limit Hold'em, $ Fnord (10 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP3 ($181.78)
CO ($226.40)
Button ($211.80)
SB ($63.30)
Fnord ($427.80)
UTG ($316.90)
UTG+1 ($254.80)
UTG+2 ($190)
MP1 ($368.39)
MP2 ($165)

Preflop: Fnord is BB with Q, 7. SB posts a blind of $1.
3 folds, MP1 raises to $4, MP2 calls $4, 3 folds, SB (poster) calls $3, Fnord calls $2.

Flop: ($16) 9, 8, T (4 players)
SB checks, Fnord bets $10, MP1 folds, MP2 calls $10, SB folds.

Turn: ($36) 7 (2 players)
Fnord checks, MP2 bets $15, Fnord calls $15.

River: ($66) 4 (2 players)
Fnord checks, MP2 bets $20, Fnord thinks about raising to $60, but folds...