Who absorbed 5 million Ukrainian refugees? Europe, not the US. (Even Canada took more). And there could be millions more yet depending on the ceasefire/settlement arrangement.
Who paid € billions more in energy costs since 2022? Europe, not the US. [0][1] Germany in particular got crucified, and its manufacturing base fled to China (also in part due to the German Greens' historic Cold-War opposition to nuclear, nut that's a long story).
Funding Ukraine is not the "heavy lifting". The heavy lifting is when Putin invades Finland after taking Ukraine, and Germany and France are forced to respond militarily against a Russia aligned with the US.