"I eat dinner at a restaurant."
No, since wo is the particle that marks a word (in this case bangohan - dinner) as the object being acted on by the verb (in this case tabemasu - to eat) it needs to come before the verb to make sense.
ie: "object" > "object particle" > "verb acting on the object"
Here's a good article on sentence structure: https://8020japanese.com/japanese-word-order/ eventually by making sentences and hearing a lot of Japanese you should start to naturally get the hang of what to put first.
This is an old comment so you may know this by now but I figured I'd answer this in case anyone else was wondering.