By Albert Breer The Steelers quarterback was killed after he was hit by a vehicle early Saturday morning. He was 24. Like a lot of 21-year-olds going into the workforce for the first time, Dwayne Haskins had a lot of growing up to do when he arrived in the NFL in April 2019. But there was one thing no one around him ever questioned: they knew, deep down, he had a heart of gold. It showed most in how he would interact with kids, was apparent in his million-dollar smile and the way he treated people. There was a video of Haskins that went viral during his meteoric rise to stardom at Ohio State t…