This was the entire reply I received.
"Thank you for your e-mail.
Disney's Visa® Card Bank One cardmembers may accrue rewards through purchases
made with Disney's Visa® Credit Card at over 30 million locations worldwide.
Cardmembers earn 1% in Disney Dream Reward DollarsSM on purchases made using
Disney's Visa® Card. You will be able to use your rewards towards most Disney
products and services - large or small - at The
Disney Store,
DisneyStore.com,
Disney catalog,
Disneyland® Resort and Walt Disney World® Resort and Disney
Cruise Line®.
Cardmembers may redeem their Disney Dream Reward DollarsSM by contacting
Disney's Visa® Card Bank One Customer Service by phone or online. Bank One will
send Cardmembers a rewards certificate or rewards card that can be redeemed any
time at The Disney Store, DisneyStore.com, Disney catalog, Disneyland® Resort
and Walt Disney World® Resort and
Disney Cruise Line®. There are no block-out
dates for redeeming Disney Dream Reward DollarsSM.
Disney Dream Reward Dollars can be applied as payment toward a
Disney Cruise
Line reservation or to settle your onboard account with our Guest Services Team.
We ask that guests who have additional concerns regarding their reservations to
visit their travel agents or contact our reservation offices at 1-800-511-1333
or (407) 566-7000 by telephone for assistance, as our reservation agents are not
currently accessible online.
We look forward to the chance to sail with you.
Sincerely,
Sylvette, Guest Communications
Disney Cruise Line"
I would assume that if you can use them toward payment of a cruise that they would be valid for hotel bill also. You may want to e-mail WDW and see what they say.