Hi Ashton. Does the chromecast or dongle need to be powered separately, or just plug into the tv? There's several things that I've seen, but don't know what is applicable. One is a small thing that plugs into the tv, the other kind of has small antenna that fold out.
I'll get a couple of pics of what the tv has by way of available connections. I'm not sure but I think it might have only the one hdmi port, which might be taken up with something.