2NL - 55 Overkill on river?

Hi,
Did i miss value here by overbeting this hand?
Did he drop ace?
To be honest i was lost in this hand, i know i m good but this guy is regular: 20/11/4

Please comment this hand. And help me read what did this guy have, because i cant tell. I was thinking he have ace.

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PokerStars, No-Limit Hold'em Ring
Small Blind: $0.01
Big Blind: $0.02

BB ($5.85)
UTG (dadaas) ($5.11)
MP ($4.35)
CO ($2)
BTN ($1.07)
SB ($5)

Dealt to UTG (dadaas)

Preflop: (Pot is: $0.03)

UTG (dadaas) raises to $0.08, MP & CO & BTN fold, SB calls $0.07, BB calls $0.06

Flop: (Pot is $0.24, 3 players)

SB checks, BB bets $0.16, UTG (dadaas) raises to $0.6, SB folds, BB calls $0.44

Turn: (Pot is $1.44, 2 players)

   
BB checks, UTG (dadaas) bets $0.96, BB calls $0.96

River: (Pot is $3.36, 2 players)

   
BB bets $1, UTG (dadaas) raises to $3.47 (All-In), BB folds,

                                                                     
Total Pot: $5.36 | Rake: $0.26

Winners:
UTG (dadaas) wins $5.1