Here is a link with a good graph showing US military expenses as percent of GDP over a number of years. Since 2017 it has hovered around 3% and more recently showed signs of moving slightly lower.
https://www.defense.gov/Multimedia/Photos/igphoto/2002099941/
Below is a detailed examination of the Russian GDP and budget over several recent pre and post war years up to the present. A few years ago GDP was at least 5% and then moved up to 6% with the start of the current war. However, this article also considers costs for intelligence, care of war wounded and related war expenses and estimate Russia’s actual GDP expense is around 10%
https://www.wilsoncenter.org/blog-post/russias-unprecedented-war-budget-explained
Sure, US military spending is not the problem. Look at domestic spending and stop omitting FACTS.