You should try putting the hide on the basking spot, and also the hide looks like it has more than one entrance?
you should try to use a hide with one entrance/exit this will make your snake feel more secure, and maybe have one hide on the basking side and the hide out(cool side)
And do you have a thermostat?
and do you have digital thermometer and a digital hygrometer?
The dialogue one are very inaccurate