I would not do a rug under the table if you are going to eat there.
Possibly one down the hall entry though, or at least something to wipe feet on when coming in, and a rack or bench if you are shoes off in the house (to store shoes). Maybe some family pics in the hallway that can be changed out, and do similar frames, to match or coordinate with any other furniture (table etc). Can also do artsy prints if you like or a mirror might help it look bigger in the space.
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