Antonio Sabàto Jr. is returning to the big screen, revving up his racing career and preparing to take his talents behind the DJ booth — all while entering a new management partnership with Dominton Talent House. Sabàto Jr., 54, has signed exclusively with the Los Angeles-based agency, where founder and CEO Dominique Enchinton will oversee the next phase of his career, we’re told. The “General Hospital” alum will next appear in October’s “4:26,” a supernatural thriller in which he has a leading role. However, acting isn’t the only thing keeping the former Calvin Klein model busy. Sabàto Jr. is also getting back to one of his longtime…
