I would say the second option - "She skipped off, singing"
It gives a visual of her being very happy, instead of just saying she was happy.
What are we reading, you don’t have an image
Due to how the narrative told us how the family called his imaginary creatures ' a bear's instead of imaginary friend it would imply that in his community it was a normal thing to have imaginary creatures. The society they live in embrace the ideology of having imaginary creatures, spirit animals, this is very common around native American societies which probably meet that Jonas was native American
Try reading some poems about the morning, such as Sylvia Plath's Moring Song, or T.S. Elliots Morning at the Window for inspiration. Think about how you feel about early Sunday mornings and try to emulate the mood of stillness and serenity so often associated with the morning. Hope this helps. :)
