NL50: second pair oop facing 3 barrels

[M.P.Rator]

PokerStars No-Limit Hold'em, $0.50 BB (5 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

UTG ($112)
MP ($52.75)
Button ($17.55)
SB ($52.50)
Hero (BB) ($54.55)

Preflop: Hero is BB with :jc, :tc
1 fold, MP raises to $1.50, Button calls $1.50, 1 fold, Hero calls $1

Flop: ($4.75) :6d, :td, :7c (3 players)
Hero checks, MP bets $3, 1 fold, Hero calls $3

Turn: ($10.75) :ac (2 players)
Hero checks, MP bets $7.50, Hero calls $7.50

River: ($25.75) :8h (2 players)
Hero checks, MP bets $16.50, Hero folds

Total pot: $25.75 | Rake: $1.25

villain: 25/21/5, 100 hände

an welcher stelle foldet man hier am besten bzw. ist irgendwo ein c/r angesagt?