One of NBA YoungBoy ’s brothers has been put in a Texas jail for allegedly attempting to shoot a rapper and attacking his girlfriend with a pistol. According to legal documents obtained by Complex, 22-year-old Kendell Gaulden has been incarcerated in Harris County after police claim he got into a violent confrontation at a party on Apr. 17. Gaulden is currently being held on a $500,000 bond after he was taken into custody on Apr. 20 on aggravated assault charges. An affidavit from a Houston police officer, seen by Complex, claims that Gaulden got into an argument with Alliyah Jones, the girlfriend of Baton Rouge rapper Lil Dump, whose real name is Dedrick Wright. Per the officer, the argument began when Gaulden took Jones’ car keys without her permission, and Jones subsequently called the police. That call allegedly upset Gaulden, who then, according to the officer, pulled out a semi-automatic pistol and hit Jones in the face with it.…