I was curious what a significant percentage might be as it just feels odd at first glance that a large percentage of the US population would rather children go hungry if they can't pay for lunch at school. About the worst stat I could come up with was that 20% opposed extension of universal free breakfast and lunch to all students. Of course that 20% is largely in opposition to the universal part more than wanting the children unable to pay to go hungry. In all it's surprising there is any single digit percentage that would oppose this but it disagrees with what most would expect in terms of numbers to a significant percentage holding this view. Doubly so when the comparison provided is a ~35% viewpoint (percentage varies depending on how you frame and measure the question).
Another interesting stat I found along the way was more children were receiving free or reduced lunch than not even prior to the pandemic.