Honestly, Sora probably wouldn't have taken her hand even if he could. He's wary of people in general, moreso than he lets on, but he would have played it off as shy. He would have played it off with a small smile and a nervous bit of shuffling.

This just works in his favor.

"Could we find my brother? He's probably hungry too--really hungry!" Sora chirped, blue eyes seemingly even bigger now as he gives her his best puppy dog look--

Even if she had been the one to suggest it.

"I think I know where he is so it wouldn't take long!"