King had this made anew to catch rook (5)
I believe the answer is:
dream
'king had this' is the definition.
(Martin Luther King - 'I Have a Dream')
'made anew to catch rook' is the wordplay.
'anew' is an anagram indicator.
'to catch' indicates putting letters inside.
'rook' becomes 'R' (chess abbreviation).
'made' is an anagram of 'deam'.
'deam' going around 'r' is 'DREAM'.
(Other definitions for dream that I've seen before include "Think vaguely" , "Part of sleep" , "Sleeping thoughts" , "Illusion" , "Nocturnal fantasy" .)