Tournament $1.38+$0.12 USD Hold'em No Limit - Match Round I, Level I (10/20)

Seat #1 is the button

Seat 1: Hero(1540 in chips) 

Seat 2: Enemy(1460 in chips) 

Hero: posts small blind 10

Enemy: posts big blind 20

*** HOLE CARDS ***

Dealt to Hero [8c As]

Hero: raises 40 to 60

Enemy: calls 40

*** FLOP *** [Qc Ad 8d]

Enemy: checks 

Hero: bets 80

Enemy: calls 80

*** TURN *** [Qc Ad 8d] [Th]

Enemy: checks 

Hero: bets 200

Enemy: calls 200

*** RIVER *** [Qc Ad 8d Th] [Ks]

Enemy: checks 

Hero: bets 350

Enemy: raises 770 to 1120 and is all-in

Hero: calls 770

*** SHOW DOWN ***

Enemy: shows [Js Ts] (a straight, Ten to Ace)

Hero: shows [8c As] (two pair, Aces and Eights)

Enemy collected 2920 from pot

*** SUMMARY ***

Total pot 2920 | Rake 0 

Board [Qc Ad 8d Th Ks]

Seat 1: Hero (button) (small blind) showed [8c As] and lost with two pair, Aces and Eights

Seat 2: Enemy (big blind) showed [Js Ts] and won (2920) with a straight, Ten to Ace

 

What should have I done differently in this hand (except ofc folding OTR but...)