NL25 QQ river decision on ATxAA

Hold'em No Limit - $0.10/$0.25 - 5 players

UTG: $21.30 (85 bb)
CO: $26.66 (107 bb)
BU: $26.26 (105 bb)
SB: $29.19 (117 bb) 21/13 over 20 hands
BB (Hero): $25.00 (100 bb)

Pre-Flop: ($0.35) Hero is BB with Q♠ Q♣
UTG calls $0.25, 2 players fold, SB calls $0.15, Hero raises to $1.25, 1 fold, SB calls $1

Flop: ($2.75) A♦ T♠ 8♦ (2 players)
SB checks, Hero checks

Turn: ($2.75) A♣ (2 players)
SB checks, Hero bets $2.07, SB calls $2.07

River: ($6.89) A♠ (2 players)
SB checks, Hero ?

Checkback, bet smaller than pot, jam?
If no jam, Bet/fold or betcall?

Villain is onetabler, first time I see him. Not a crazy fish but not a reg.