Run It Once Poker, Hold'em No Limit - €0.10/€0.20 - 6 players

Christian P (UTG): €19.00 (95 bb)
Clint Y (MP): €28.42 (142 bb)
Bradley Z (CO): €25.43 (127 bb)
Russell G (BU): €20.00 (100 bb)
Timothy F (SB): €17.83 (89 bb)
Hero (BB): €22.64 (113 bb)

Pre-Flop: (€0.30) Hero (Hero) is BB with 7♥ 8♥
Christian P (UTG) raises to €0.40, 4 players fold, Hero (BB) calls €0.20

Flop: (€0.90) 7♠ J♣ A♦ (2 players)
Hero (BB) checks, Christian P (UTG) bets €0.26, Hero (BB) calls €0.26

Turn: (€1.42) 7♣ (2 players)
Hero (BB) bets €0.44, Christian P (UTG) calls €0.44

River: (€2.30) K♦ (2 players)
Hero (BB) bets €1.43, Christian P (UTG) calls €1.43

I'm exploring with new lines right now and i'm wondering if i can go with an OB on river or the 7x should stay in a smaller(66%psb) betting range. I do have QT on river.