Opp was a TAgg here. Had been mixing up his raises between 2xBB and 3xBB. Is this standard? Is there any other way to play small pocket pairs OOP to a preflop raise?

PokerStars No-Limit Hold'em Tourney, Big Blind is t200 (2 handed) FTR converter on zerodivide.cx

Button (t8840)
Hero (t4660)

Preflop: Hero is BB with 5, 5.
Button raises to t400, Hero raises to t4635