"We review a juvenile court's findings of fact concerning a transfer decision under traditional sufficiency principles." In re J.C.D., 591 S.W.3d 194, 196 (Tex. App.-Tyler 2019, no pet.). "In reviewing the legal sufficiency of the evidence, we view the evidence in the light most favorable to the juvenile court's findings and disregard contrary evidence unless a reasonable [factfinder] could not reject it."