A Tennessee woman has been arrested after police said she allegedly drowned her 7-year-old daughter after having a “rough day.” On July 13, officers in Hendersonville received information regarding a child that drowned in Drakes Creek, according to the local police department. Detectives went to the scene and determined that the child’s mother, 33-year-old Brandi Elliott, killed her daughter, according to court documents obtained by WKRN-TV. The documents show police learned Elliott wanted to leave her daughter at their apartment so she could have some time to herself “after having a rough day…