NL5 overpair vs A al river

IPoker No-Limit Hold'em, €0.05 BB (6 handed) - IPoker Converter Tool from http://flopturnriver.com/

UTG (€7.09)
Hero (MP) (€6.61)
CO (€5)
Button (€6.12)
SB (€6.58)
BB (€5.02)

Preflop: Hero is MP with J, J
UTG raises €0.10, Hero raises €0.30, 4 folds, UTG calls €0.20

Flop: (€0.67) 8, 9, 2 (2 players)
UTG checks, Hero bets €0.46, UTG calls €0.46

Turn: (€1.59) 10 (2 players)
UTG checks, Hero bets €1.11, UTG calls €1.11

River: (€3.81) A (2 players)
UTG bets €2.66, Hero folds

Total pot: €3.81

Results below:

Utg vpip/39 pfr/20 3bet/9 4bet/0 a.f/1,6 ccal/38 fcbet/44 wtsd/21

IPoker No-Limit Hold'em, €0.05 BB (6 handed) - IPoker Converter Tool from http://www.flopturnriver.com/

MP (€5.09)
CO (€5.45)
Button (€5.90)
Hero (SB) (€9.44)
BB (€5.19)
UTG (€3.64)

Preflop: Hero is SB with 10, 10
UTG calls €0.05, 3 folds, Hero raises €0.18, 1 fold, UTG calls €0.15

Flop: (€0.45) 6, 3, 3 (2 players)
Hero bets €0.31, UTG calls €0.31

Turn: (€1.07) 9 (2 players)
Hero bets €0.74, UTG calls €0.74

River: (€2.55) A (2 players)
Hero checks, UTG bets €1.78, Hero folds

Total pot: €2.55

Results below:

utg vpip/40 pfr/2 3bet/0,7 4bet/0 a,.f/2,1 ccal/29 fcbet/41 wtsd/28

Qualche consiglio su come gestire questo tipo di mani e quali statistiche di oppo tenere in considerazione al river??