They signed, "I love you," and, "It's nice to meet you," KESQ reported.
The boy then went in for hugs from both Minnie and Mickey.
The child was adopted through Olive Crest. It's an organization committed to preventing child abuse and helping at-risk children, KESQ reported.
The boy had been born with disabilities and was abandoned shortly after birth, KESQ reported.
The trip to Disney was part of a day dedicated to foster and adoptive families of Olive Crest.