River Bluff Size?

PokerStars - €0.25 NL FAST (6 max) - Holdem - 6 players
Hand converted by PokerTracker 4

Hero (BTN): 101.28 BB
SB: 90.88 BB (VPIP: 0.00, PFR: 0.00, 3Bet Preflop: 0.00, Hands: 2)
BB: 100.48 BB (VPIP: 17.55, PFR: 11.84, 3Bet Preflop: 2.78, Hands: 252)
UTG: 137.04 BB (VPIP: 24.66, PFR: 22.97, 3Bet Preflop: 13.21, Hands: 302)
MP: 119.28 BB (VPIP: 26.57, PFR: 20.08, 3Bet Preflop: 9.79, Hands: 509)
CO: 149.36 BB (VPIP: 11.11, PFR: 11.11, 3Bet Preflop: 0.00, Hands: 9)

SB posts SB 0.4 BB, BB posts BB 1 BB

Pre Flop: (pot: 1.4 BB) Hero has 7♠ 6♦

fold, fold, fold, Hero raises to 2.4 BB, fold, BB calls 1.4 BB

Flop: (5.2 BB, 2 players) 8♣ 5♣ T♦
BB checks, Hero bets 1.64 BB, BB calls 1.64 BB

Turn: (8.48 BB, 2 players) K♥
BB checks, Hero bets 12 BB, BB raises to 24 BB, Hero calls 12 BB

River: (56.48 BB, 2 players) 3♥
BB checks, Hero bets 73.24 BB and is all-in, BB calls 72.44 BB and is all-in

Hero shows 7♠ 6♦ (High Card, King)
(Pre 35%, Flop 27%, Turn 16%)
BB shows 9♦ T♣ (One Pair, Tens)
(Pre 65%, Flop 73%, Turn 84%)
BB wins 191.28 BB

I think this is a mandatory bluff. I am only worried about my size OTR

Should I size down, maybe 75% ? or maybe looks ''too bluffy'' by Jamming 130%-140%?

I want to do this size with AA, Sets, AK, KT... So I defo have many bluff combos to use. What do you guys think?