No, the character Walker from Walker Texas Ranger was not part Indian.
His father was a full blooded Cherokee.
Walker Texas Ranger - 1993 Something in the Shadows Part 2 2-13 was released on: USA: 22 January 1994
Walker Texas Ranger - 1993 Something in the Shadows Part 1 2-12 was released on: USA: 15 January 1994
Walker Texas Ranger - 1993 In Harm's Way Part 2 8-1 was released on: USA: 25 September 1999
Walker Texas Ranger - 1993 Last of a Breed Part 1 6-6 was released on: USA: 1 November 1997
Walker Texas Ranger - 1993 Last of a Breed Part 2 6-7 was released on: USA: 8 November 1997
Walker Texas Ranger - 1993 The Day of Cleansing Part 2 8-17 was released on: USA: 19 February 2000
Walker Texas Ranger - 1993 El Coyote Part 2 4-18 was released on: USA: 24 February 1996
Walker Texas Ranger - 1993 El Coyote Part 1 4-17 was released on: USA: 17 February 1996
"The Final Show/Down" (Part 1 and 2)
Walker Texas Ranger - 1993 The Final Showdown Part 1 9-23 was released on: USA: 19 May 2001 Hungary: 30 July 2006
Walker Texas Ranger - 1993 The Final Showdown Part 2 9-24 was released on: USA: 19 May 2001 Hungary: 6 August 2006
The Texas Rangers are a part of the Texas Department of Public Safety. The minimum salary for a Texas Ranger is $50,000 per year, but many make much more. The state of Texas government careers information page does not say how much more.