$0.02/$0.05
SB: $6.54 (130.8 bb)
Hero (BB): $5.07 (101.4 bb)
UTG: $7.41 (148.2 bb)
MP: $5 (100 bb)
CO: $19.43 (388.6 bb)
BTN: $5.44 (108.8 bb)

Preflop: Hero is BB with 9d 7d
2 folds, CO raises to $0.15, 2 folds, Hero calls $0.10

Flop: ($0.32) Kd 2d 9h (2 players)
Hero checks, CO bets $0.23, Hero calls $0.23

Turn: ($0.78) 8d (2 players)
Hero checks, CO bets $0.40, Hero raises to $1.35, CO calls $0.95

River: ($3.48) 6s (2 players)
Hero bets $3.34 and is all-in, CO calls $3.34

This is probably a hand that plays better as 3bet, which I normally do, but I called cuz I was timing out.

So my question is on the turn, do we just call ? I raised for value and to protect myself from a fourth diamond which would kill my hand.

What's the best play here?