An online petition to lure Dennis Rodoni of Olema into the 4th District’s supervisor race may bear fruit: Mr. Rodoni, a lifelong West Marin resident and the owner of Rodoni Construction, who challenged Mr. Kinsey for the seat over a decade ago, said he is considering a run. “I need to sit down and talk with family,” he said on Wednesday. “It’s a hard decision, because it’s a big commitment.” The change.org petition, which had…