Getting a Chromecast to work in a vacation home

For the past four years or so, I’ve been packing a Chromecast whenever I went on vacation with my family, hoping to be able to get it to work. It’s nice to be able to watch an episode or two of Bluey with our daughter when she’s tired from swimming and needs to chill for a bit. But usually, tvs in vacation homes only show linear tv and have no streaming capabilities. A Chromecast, in theory, can f