Villain is a tagg player running at 14/9 over 40 hands. She has cbet one or two flops before this. I couldn't remember what she did after c-betting the flop previously.

I sort of feel like I'm flipping my cards face up after my flop line. Is it betting the turn or river here better than checking?

PokerStars No-Limit Hold'em, $0.10 BB (8 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

UTG ($15.95)
UTG+1 ($12.70)
MP1 ($4)
MP2 ($2)
CO ($5.50)
Button ($9.35)
SB ($11)
Hero (BB) ($20.45)

Preflop: Hero is BB with 8, 8
UTG bets $0.40, 1 fold, MP1 calls $0.40, 1 fold, CO calls $0.40, 2 folds, Hero calls $0.30

Flop: ($1.65) 3, A, 8 (4 players)
Hero checks, UTG bets $1.40, 2 folds, Hero calls $1.40

Turn: ($4.45) 5 (2 players)
Hero checks, UTG checks

River: ($4.45) 7 (2 players)
Hero checks, UTG checks

Total pot: $4.45 | Rake: $0.20