Savannah Bananas second baseman Jackson Olson is hoping to knock it out of the ballroom in Season 35 of ABC’s “ Dancing With the Stars .” He joins previously announced celebrity contestants Maura Higgins (“The Traitors,” “Love Island”) and Ciara Miller (“Summer House”). The full cast of celebs and professional dancers will be announced on Sept. 2. The news comes out of the Disney upfronts, where the company also announced that Disney+ will become the exclusive home of the Banana Bowl , streaming live this October. Alfonso Ribeiro and Julianne Hough host the long-running dance competition series, which pairs celebrities with trained ballroom dancers to compete in themed choreographed dance routines. Jusges are Carrie Ann Inaba, Bruno Tonioli and Derek Hough. The show is produced in front of a live audience by BBC Studios Los Angeles Productions.…