Cop and a half new recruit 2017

You're referring to the 2017 film "Cop and a Half"!

"Cop and a Half" is a family-friendly comedy film that follows the story of a young boy named Chester "Chet" Ripley (played by Kiernan Shipka) who dreams of becoming a police officer. Chet's life takes an unexpected turn when he is accidentally paired with a tough-as-nails cop, Nick (played by Adam Rodriguez).

As they work together to solve a series of mysteries and crimes, Chet and Nick learn valuable lessons about teamwork, trust, and the importance of following the rules. Along the way, they also develop an unlikely friendship that helps them overcome their differences and achieve their goals.

The film features a mix of humor, action, and heartwarming moments, making it a fun and entertaining watch for the whole family.