What kind of prospect is this guy?

He was drafted in the 43rd round in 2011 out of HS in Plano TX. He made his pro debut last season as an 18 year old in the Arizona league and in 17 games more than held his own, hitting 270/351/429 while playing mostly 2B and a little bit of SS. This season he is 19 years old and killing it in his first five games at Billings (412/500/471). He appears to have decent speed (8 steals and two triples in 22 career games) and a good approach at the plate (12 BBs : 12 Ks in 96 career PAs).

Obviously, 22 games is WAY too soon to get excited about a guy, but how does he measure up on the scouting scale and why was he drafted so late?