My opponent is really loose and weak. Folds the flop against me when he doesn't have a piece. Haven't really given him cause to mistrust me.

PokerStars No-Limit Hold'em, $2 BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Fnord ($259.80)
SB ($420.45)
BB ($69.55)
UTG ($258.05)
MP ($109.10)

Preflop: Fnord is Button with K, A.
1 fold, MP calls $2, Fnord raises to $8, 2 folds, MP calls $6.

Flop: ($19) A, T, T (2 players)
MP checks, Fnord checks.

Turn: ($19) J (2 players)
MP bets $10, Fnord calls $10.

River: ($39) 2 (2 players)
MP bets $8, Fnord ???

Take the cheap Show & Tell or value raise?