Hi, new member here and my first hh post.

Both of us are deep at NL5. Can I ever call this river bet? No reads on villain, hes only been at the table for 2 orbits at this point.

Poker Stars, $0.02/$0.05 No Limit Hold'em Cash, 6 Players
Poker Tools Powered By Holdem Manager - The Ultimate Poker Software Suite.

SB: $5 (100 bb)
BB: $10.03 (200.6 bb)
UTG: $3.38 (67.6 bb)
MP: $5.21 (104.2 bb)
CO: $7.79 (155.8 bb)
Hero (BTN): $11.97 (239.4 bb)

Preflop: Hero is BTN with Ts Ks
2 folds, CO calls $0.05, Hero raises to $0.22, 2 folds, CO calls $0.17

Flop: ($0.51) 2s 5s 3d (2 players)
CO checks, Hero bets $0.30, CO calls $0.30

Turn: ($1.11) Ac (2 players)
CO checks, Hero checks

River: ($1.11) 4s (2 players)
CO bets $7.27, Hero ??