Lets just assume both players are something like ur normal 18/13 regs you find at 50NL, what is the correct line here. This is something I have ran into a lot in my last couple 50NL sessions and I get confused as to what to do here. Also, please note stack sizes. Thanks in advance for the help.

PokerStars No-Limit Hold'em, $0.50 BB (6 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver Cards)

CO ($84.55)
Button ($49.45)
Hero ($53.20)
BB ($75.30)
UTG ($60.50)
MP ($47.35)

Preflop: Hero is SB with , .
UTG raises to $2.5, MP calls $2.50, 2 folds, Hero ???