I'm going by a fairly conservative strategy as well.
In this conservative strategy, AJo is a fold vs a UTG open.
However I groaned a bit when I saw the flop.
How would all you 100 NL players handle this...
PokerStars - $1 NL (6 max) - Holdem - 6 players
Hand converted by PokerTracker 4
Hero (MP): $183.28
CO: $51.52
BTN: $113.19
SB: $38.71
BB: $118.35
UTG: $64.41
SB posts SB $0.50, BB posts BB $1.00
Pre Flop: (pot: $1.50) Hero has A♣:J♠:
UTG raises to $2.00, fold, fold, fold, SB calls $1.50, fold
Flop: ($5.00, 2 players) 5♣:K♥:6♠:
SB checks, UTG bets $2.00, SB calls $2.00