A parenting influencer’s 2-year-old daughter drowned in his swimming pool on Father’s Day. “I lost my daughter,” Jamal Morton, 33, told his 2.6 million followers on Instagram in a heartbreaking tribute to Rose, whom he called “the best daughter a father could ever ask for.” “She thought she was a big girl and could swim all by herself. She walked out of the house and got into the pool where she drowned,” he said in an online fundraiser over the death of the youngest of his nine children. “Losing a child is a pain I wouldn’t wish on my worst…