25-50nl flop 3 sevens...possible to get away from?

[IceCremMnstr]

Is this a hand that I can really get away from? I guess Im looking for advice on the river? Can I really just check call there? What if he shoves river? Etc. Or is this really just a cooler?

Poker Stars, $25/$50 NL Hold'em Cash Game, 8 Players
LegoPoker Hand History Converter

UTG: $3,411
UTG+1: $1,666
MP1: $2,929
MP2: $3,047
CO: $6,172
BTN: $4,700
Hero (SB): $4,166
BB: $4,546.50

Pre-Flop: 7 A dealt to Hero (SB)
3 folds, MP2 raises to $150, CO calls $150, BTN folds, Hero calls $125, BB folds

Flop: ($500) 7 5 7 (3 Players)
Hero bets $200, MP2 calls $200, CO calls $200

Turn: ($1,100) 2 (3 Players)
Hero checks, MP2 checks, CO bets $400, Hero raises to $1,450, MP2 folds, CO calls $1,050

River: ($4,000) T (2 Players)
Hero bets $1,000, CO raises to $2,400, Hero calls $1,366 and is All-In

Results: $8,732 Pot ($3 Rake)
CO showed 5 5 (a full house, Fives full of Sevens) and WON $8,729 (+$4,563 NET)
Hero showed 7 A (three of a kind, Sevens) and LOST (-$4,166 NET)