‘Half Brothers’: This road movie has fun sibling rivalry, but we’ve seen this vehicle before

“Half Brothers” – Renato (Luis Gerardo Mendez) meets his half-brother Asher (Connor Del Rio) for the first time in Chicago, but most unexpectedly.   Renato flies to The Windy City from Mexico because his estranged father (Juan Pablo Espinosa) is nearing the end.  Flavio (Espinosa) wishes to see his son one last time before he passes. You see, 26 years ago, Flavio left San Miguel de Allende, Mexico to look for work in the U.S.  He hasn’t seen his son during all this time, so naturally, Renato carries plenty of resentment,…