Consider Dally's relationship with Johnny. How does Dally treat Johnny differently and why?

Dally and Johnny had the same background, being that both are from poor background.

Explanation:

Dally's treatment for Johnny is a reflection of his appreciation for what he lacks, despite the fact that both are from the same background. While Dally was rough and riotous, Johnny was calm and inspiring, though received lots of maltreatment from his family.

Dally treated Johnny differently because he saw him as too reserved and called him the gangs pet. For him, pets are to be treated differently. Pets are to be protected

Johnny likes Dally because he felt he was gallant and he used to stand for them in times of conflict. Johnny idolizes Dally because he believes he always got his back.

For Dally, only two things matters - Ponies and Johnny.