Absolute/UB Cereus No-Limit Hold'em, $0.10 BB (6 handed) - Absolute/UB Cereus Converter Tool from FlopTurnRiver.com

saw flop

Hero (Button) ($10.30)
SB ($8.36)
BB ($12.13)
UTG ($12.69)
MP ($15.98)
CO ($4.50)

Preflop: Hero is Button with K, A
UTG calls $0.10, 2 folds, Hero bets $0.50, 2 folds, UTG calls $0.40

Flop: ($1.15) A, J, 4 (2 players)
UTG checks, Hero bets $0.80, UTG raises to $2, Hero calls $1.20

Turn: ($5.15) 6 (2 players)
UTG bets $5.15, Hero folds

Total pot: $5.15 | Rake: $0.25

Unfortunately I had no reads on Villain, I just sat down at the table. I felt he was showing too much strength to call, put him on a set or two pair. The limp/call PF could be indicative of 44, A4 or even AJ? Was this too nitty?