How do we go from Xian airport to Ibis Hotel ?

Yes, you can take airport shuttle bus line 1, and get off at Xishaomen Airport Business Hotel. Then take bus no. 300 to Dachaishi Station. Then just walk to your hotel directly.
Or, after arriving Xishaomen Airport Business Hotel, you can just take a taxi to your destination. The distance is just 3.5 miles.

Is the shuttle bus disable friendly ? As i will be bringing a wheelchair to XA, is the shuttle bus able to accomodate wheelchair ?

Alternatively, how much is the taxi charges from Airport to Ibis hotel ?

Thank you.

Is your wheelchair foldable? If so, it is allowed to bring with you. If not, I'm afraid to travel by shuttle bus may be not a good choice to go. The taxi trunk may be able to accommodate it and the cab fare is usually CNY120-130.