
Then it is quite likely he will to as character traits are inheriuted saem as physical ones.
As you were aware of thsi possibility you really need to work hard on preventing this problem getting established and take thigns slwoly so he feels comfortable being left by stages.
I would have his crate back in your bedroom and gradulaly move it further and further, an6y signs of anxiety and go back a step.
You can of course do it the other way around and go down and sleep near his crate and gradulaly move upstairs, have you treid a baby monitor, so he can hear you speak to him?