At 900TT, he doen't meet most regional mins. He has 100 more to go and that's just to get to minimums to apply, not 'competative' mins (avg of what most new hires actually have). Charter may be higher unless he has networked well (a big thing in getting any flying job these days).
Read what people are getting interviewed and hired at on this site-
www.aviationinterviews.com
Also check out-
www.airlinepilotcentral.com
www.jetcareers.com
...and especially for you-
http://www.pilotfamilies.com