(Portland, OR)  --  An investigation is ongoing into the death of a toddler who was hit by a truck in Otis.  The Lincoln County Sheriff's Office says a man was backing a pickup truck out of a driveway Sunday night when he hit his 15-month-old child.  The child was rushed to Samaritan North Lincoln Hospital and was pronounced dead later that night.  The driver is cooperating with police and is currently not facing criminal charges.