The project, created by Couples Retreat writer Dana Fox, will focus on an uptight single mother and her laid-back brother who move in together to raise a child.
Eight-year-old Jones will play the role of the daughter, according to Deadline.
The actress recently starred alongside Matt Damon in Cameron Crowe film We Bought a Zoo and also appeared in the 2011 remake of Footloose.
Ben Fox Is My Manny marks the star's second pilot. She was previously cast in Fox's 2010 project Most Likely To Succeed.
Other comedy pilots currently in development at Fox include Shawn Levy's sitcom Little Brother, Prodigy Bully from Glee star Mike O'Malley and an untitled comedy starring The Office's Mindy Kaling.
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