There is no good answer here, but let's not pretend like the US couldn't be doing more to help bring this violence to an end. Don't be so confident to think that providing the support we have, hasn't emboldened Zelensky and his will to keep this war going.
Apartments are being bombed because of Russia and in a perfect world, there would be retribution. In the real world, the quest for retribution leads to more death.
I'm not saying Ukraine shouldn't keep fighting, but if you support their fight, you understand the violence that will come as a result of that fighting.