KK awful turn and river

[Llama88]

just sat down, no reads

Poker Stars - No Limit Hold'em Cash Game - $1/$2 Blinds - 6 Players - (http://www.legopoker.com http://www.legopoker.com/hh)

SB: $232.00
BB: $268.90
UTG: $110.15
MP: $173.30
CO: $108.90
Hero (BTN): $254.20

Preflop: Hero is dealt Kd Kh (6 Players)
3 folds, Hero raises to $7.00, SB folds, BB calls $5.00

Flop: ($15) Qs Ts 3c (2 Players)
BB checks, Hero bets $10.00, BB calls $10.00

Turn: ($35) Ac (2 Players)
BB checks, Hero checks

River: ($35) 5s (2 Players)
BB bets $20.00

Pot Size: $55.00

should i think about continuing on turn, or is a fold on the river fine?