Onyx became a REALTOR® in 2006 and achieved his broker's license in 2011. Onyx is very committed to helping his clients buy and sell ranch, commercial, and residential properties. As head of the Ranch & Land Division, he sells and lists properties in over 16 counties in South Texas. He is an avid hunter and fisherman and is involved in the community. He is married to Letty Soria Benavidez, and they have one son, Little Onyx. He also has five daughters and 11 grandchildren.