TOWN OF WALLKILL - A Satmar Hasidic organization formed in February to operate religious schools for boys has bought a 17-acre property with eight buildings that used to be the campus of a nonprofit that serves people with developmental disabilities.Congregation Yeshiva Ketane Desatmar bought the former Crystal Run Village site on Stony Ford Road on March 1 for $1.3 million, according to a deed transfer filed Wednesday with the Orange County Clerk's Office.