PokerStars - $0.25 NL FAST (6 max) - Holdem - 6 players

BTN: $82.88 (331.5 bb)
SB: $22.94 (91.8 bb)
Hero (BB): $81.14 (324.6 bb)
UTG: $18.67 (74.7 bb)
MP: $25.00 (100 bb)
CO: $64.21 (256.8 bb)

SB posts $0.10, Hero posts BB $0.25

Pre Flop: (pot: $0.35) Hero has 2s 5s
fold, MP raises to $0.57, CO calls $0.57, fold, SB calls $0.47, Hero calls $0.32

Flop: ($2.28, 4 players) 9s 8s Ts
SB checks, Hero checks, MP checks, CO bets $0.50, SB calls $0.50, Hero raises to $1.25, MP calls $1.25, CO calls $0.75, SB calls $0.75

Turn: ($7.28, 4 players) Jc
SB checks, Hero bets $10.15, fold, CO calls $10.15, SB raises to $21.12 and is all-in, Hero raises to $79.32 and is all-in, fold

River: ($59.67, 2 players) 5h

Players agreed to run it twice.

River #2: ($59.67, 2 players) 2h

Results: $59.67 pot ($0.00 rake)
Final Board: 9s 8s Ts Jc 5h 2h

My thought process on the turn after everybody called the bet and raise(misclicked in regards to the size) is that I must trim down the field as a baby flush is ultra vulnerable vs all their combos, so I elected to overbet turn to extract value from QJ, 76 J10 or and maybe induce unpaired broadways with one big spade to jam.

Is this a good overbet or not?
Do we ever believe villans would slowplay here a bigger flopped flush??